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Date Event Distance(s) State / City
11/18/17 
Saturday 
10k Turkey Trek
With egg nog chug challenge and pumpkin pie challenge! Great views, challenging 10k course!
10 K
Colorado
Arvada
11/23/17 
Thursday 
1 day away 
Clement Park 5K Gobble Wobble
Clement Park 5K Gobble Wobble walk/run race. A family friendly race on Thanksgiving Day. Come join us for a FUN, FIT, start to your holiday season!
5 K
Colorado
Littleton
11/23/17 
Thursday 
1 day away 
Broomfield Turkey Day 5k
Broomfield Turkey Day 5k and 10k
10 K
5 K
Colorado
Broomfield
12/17/17 
Sunday 
25 days away 
Superior Stocking Run 5k
5k, Stocking Run, Superior, Colorado, Racing Underground, Chip Timed
5 K
Colorado
Superior
1/1/18 
Monday 
40 days away 
Resolute Runner 5k
Be a part of our community-based race as we partner with the Arvada Community Food Bank to restock their cupboards after a busy holiday season. Racers, Volunteers AND Spectators who bring 5 canned goo ...(continued)
5 K
Colorado
Arvada


1/1/18 
Monday 
40 days away 
Resolute Runner
5k
5 K
Colorado
Arvada
1/6/18 
Saturday 
45 days away 
Westminster Six Pack Series #1
Six events, 1 mile to 10k.
5 K
1 Mile
Colorado
Westminster
1/7/18 
Sunday 
46 days away 
Highlands Ranch WINTER Six Pack Series #1
The first event in the series is a 1 mile run and at each event we increase the distance! We’ve designed this series specifically with the non-runner in mind, but there are still challenging courses ...(continued)
5 K
1 Mile
Colorado
Highlands Ranch
1/14/18 
Sunday 
53 days away 
Arctic Prairie Dog Half/10k/5k
Each 1/2 Marathon finisher will receive a custom Peedy the Prairie Dog finisher's medal. All participants will receive a Finisher's Souvenir Magnet for the distance completed. All participants w ...(continued)
Half Marathon
10 K
5 K
Colorado
Louisville
1/14/18 
Sunday 
53 days away 
Arctic Prairie Dog Half/10k/5k
Each 1/2 Marathon finisher will receive a custom Peedy the Prairie Dog finisher's medal. All participants will receive a Finisher's Souvenir Magnet for the distance completed. All participants w ...(continued)
Half Marathon
10 K
5 K
Colorado
Louisville
1/20/18 
Saturday 
59 days away 
Westminster Six Pack Series #2
5 K
2 Mile
Colorado
Westminster
1/21/18 
Sunday 
60 days away 
Highlands Ranch WINTER Six Pack Series #2
The first event in the series is a 1 mile run and at each event we increase the distance! We’ve designed this series specifically with the non-runner in mind, but there are still challenging courses ...(continued)
5 K
2 Mile
Colorado
Highlands Ranch
1/28/18 
Sunday 
67 days away 
The Yeti Chase
5k/10k in beautiful bear creek lake park. Prize money to top finishers.
10 K
5 K
Colorado
Morrison
2/3/18 
Saturday 
73 days away 
Highlands Ranch WINTER Six Pack Series #3
The first event in the series is a 1 mile run and at each event we increase the distance! We’ve designed this series specifically with the non-runner in mind, but there are still challenging courses ...(continued)
5 K
Colorado
Highlands Ranch
2/3/18 
Saturday 
73 days away 
Westminster Six Pack Series #3
5 K
Colorado
Westminster
2/10/18 
Saturday 
80 days away 
Heart Throb 5k
5 K
Colorado
Arvada
2/10/18 
Saturday 
80 days away 
Heart Throb 5k
5 K
Colorado
Arvada
2/10/18 
Saturday 
80 days away 
Heart Throb 5k - Longmont
5 K
Colorado
Longmont
2/17/18 
Saturday 
87 days away 
Highlands Ranch WINTER Six Pack Series #4
The first event in the series is a 1 mile run and at each event we increase the distance! We’ve designed this series specifically with the non-runner in mind, but there are still challenging courses ...(continued)
4 Miles
5 K
Colorado
Highlands Ranch
2/17/18 
Saturday 
87 days away 
Westminster Six Pack Series #4
4 Miles
5 K
Colorado
Westminster
2/18/18 
Sunday 
88 days away 
Ralston Creek Half Marathon
half marathon racing underground running denver arvada prize money race chip timed
Half Marathon
5 K
Colorado
Arvada
3/3/18 
Saturday 
101 days away 
Highlands Ranch WINTER Six Pack Series #5
The first event in the series is a 1 mile run and at each event we increase the distance! We’ve designed this series specifically with the non-runner in mind, but there are still challenging courses ...(continued)
5 Miles
5 K
Colorado
Highlands Ranch
3/3/18 
Saturday 
101 days away 
Westminster Six Pack Series #5
5 Miles
5 K
Colorado
Westminster
3/17/18 
Saturday 
115 days away 
Erin Go Braugh 7.77K
Come test your luck on St. Patty's Day Weekend!! FREE BEER after the race at a the After Party! (One free beer per racer over age 21.) Before you head over to get your free beer, enjoy all the LUCKY ...(continued)
7.77 K
Colorado
Westminster
3/24/18 
Saturday 
122 days away 
Highlands Ranch WINTER Six Pack Series #6
The first event in the series is a 1 mile run and at each event we increase the distance! We’ve designed this series specifically with the non-runner in mind, but there are still challenging courses ...(continued)
10 K
5 K
Colorado
Highlands Ranch
3/24/18 
Saturday 
122 days away 
Westminster Six Pack Series #6
10 K
5 K
Colorado
Westminster
4/8/18 
Sunday 
137 days away 
Spring Fling Prairie Dog Half, 10K and 5K
The Top Three Men and Women of each distance receive a unique wooden trophy! (Top three in each age group receive a wooden plaque!) About the wooden trophies: We LOVE providing unique experienc ...(continued)
Half Marathon
10 K
5 K
Colorado
Arvada
5/13/18 
Sunday 
172 days away 
Colorado Womens Classic
Women's ONLY event!
10 Miles
10 K
5 K
Colorado
Westminster
6/3/18 
Sunday 
193 days away 
Skirts Sports 13er
Women's Only Race. Half marathon and 5k
Half Marathon
5 K
Colorado
Louisville
6/17/18 
Sunday 
207 days away 
Mt Evans Ascent
Mt Evans Ascent Highest Road Race in North America
14.5 Miles
Colorado
Idaho Springs
6/17/18 
Sunday 
207 days away 
Fathers Day Classic
Father's Day 5k and 10k. Great family race!
10 K
5 K
Colorado
Arvada
7/4/18 
Wednesday 
224 days away 
Longmont Half and 5k
Half marathon and 5k
Half Marathon
5 K
Colorado
Longmont
7/4/18 
Wednesday 
224 days away 
Let Freedom Run 5k/10k
5k/10k and Kids Fun Run
10 K
5 K
Colorado
Louisville
7/21/18 
Saturday 
241 days away 
Summer Splash Prairie Dog Half/10k/5k
Summer edition of the Prairie Dog Half/10k and 5k
Half Marathon
10 K
5 K
Colorado
Castle Rock
7/21/18 
Saturday 
241 days away 
Summer Splash Prairie Dog Half/10k/5k
Summer edition of the Prairie Dog Half/10k and 5k
Half Marathon
10 K
5 K
Colorado
Castle Rock
8/11/18 
Saturday 
262 days away 
Holy Cow Trail Stampede 5k/10k
Holy Cow Trail Run
10 K
5 K
Colorado
Westminster
8/26/18 
Sunday 
277 days away 
Erie Half and 5k
This year's event features both a half marathon and 5k course. Run on the Streets of Erie in addition to the glorious Coal Creek Trail. Celebrate the changing seasons with us, and join the Half Marat ...(continued)
Half Marathon
5 K
Colorado
Erie
9/8/18 
Saturday 
290 days away 
THE Denver 5k
Fun, flat and fast! Run around one of Denver's most beautiful parks!
5 K
Colorado
Denver
9/22/18 
Saturday 
304 days away 
The Pioneer Prairie Dog Half
Half Marathon
10 K
5 K
Colorado
Westminster
9/22/18 
Saturday 
304 days away 
The Pioneer Prairie Dog Half
Half Marathon
10 K
5 K
Colorado
Westminster
10/7/18 
Sunday 
319 days away 
Costumed K9 Canter 5k and 1 Mile
Costumed race, 5k and 1 mile fun run
5 K
1 Mile
Colorado
Westminster

Not all races have been rescheduled for this year. Below is a list of additional events for Colorado
Date Event Distance(s) State / City

Next Date
Unknown

Boulder Backroads Marathon
The Boulder Marathon has been voted "Best Colorado Marathon" by Colorado Runner magazine, "Nation's Best Kept Marathon Secret" by Runner's World Magazine and "Best Event Apparel" by Rocky Mountain Sp ...(continued)
Marathon
Half Marathon
Colorado
Boulder

Next Date
Unknown

10K +5K Double Road Race Denver
Denver Double Road Race
15 K
5 K
1 Mile
Colorado
Denver

Next Date
Unknown

10k Turkey Trek
With egg nog chug challenge and pumpkin pie challenge! Great views, challenging 10k course!
10 K
Colorado
Arvada

Next Date
Unknown

2016 Walk MS Glenwood Springs and 5K Run
Both Walk MS and the 5K Run begin behind Glenwood Springs High School and continue along the Rio Grande Trail. Registration opens at 7:00 AM, and Run begins at 8:00 AM. There are many activities during the Walk/Run. Kiwanis Pancake Breakfast ($5), GSHS cheerleaders, live music by The Curry's, team photos, and a silent auction. Registration for the 5K is $25. Run to help create a world free of MS- Join The Movement!
5 K
Colorado
Glenwood Springs

Next Date
Unknown

24 Hours of Boulder
Solo, team relay, 12 hour and 6 hour nighttime fun run categories. The course is an even mix of pavement, dirt road and smooth single track with a stunning view of Boulder’s front range. And after eac ...(continued)
24 Hours
12 Miles
6 Miles
Colorado
Boulder

Next Date
Unknown

24 Hours of Boulder....the Run
This race is run on the beautiful trails at the Boulder Reservoir with great views of the snow covered peaks. The course is a flat 7.14 miles (lap 14 ends at exactly 100 miles) with approximately 100 feet gain per lap with an aid station at approximately 3.5 miles.
Other
Colorado
Boulder

Next Date
Unknown

3W Resolute Runner 5k
Race starts and finishes at Memorial Park, located directly behind City Hall, 1/4 mile from Olde Town Arvada. This is a fast and stroller friendly, out-and-back course. We have partnered with Arva ...(continued)
5 K
Colorado
Arvada

Next Date
Unknown

3W Spring Fling! 5k and 10k
5k, 10k event at Westminster Promenade Terrace
10 K
5 K
Colorado
Westminster

Next Date
Unknown

43rd Annual Longmont Turkey Trot
Gobble, Gobble, Gobble, GO! Sign up to run one of the most scenic, fastest, 10k or 2 mile courses around! 10K course also has a Wheelchair Division. Don’t just run for the fun of it, all of the Lon ...(continued)
10 K
2 Mile
Colorado
Longmont

Next Date
Unknown

5K Family Walk/Run to STOMP out Epilepsy and SUDEP
Join us at Clement Park in Littleton, Colorado on September 24, 2017 for the 8th Annual STOMP Out Epilepsy and SUDEP Awareness Walk/Run. Funds raised by this Foundation benefit this with epilepsy.
5 K
Colorado
Littleton

Next Date
Unknown

5th Annual Superhero Run and Family Carnival
5K, 1 Mile, Kids Fun Run (Free)
5 K
1 Mile
Colorado
Greeley

Next Date
Unknown

Adventure Run
Adventure Run Details Put Some Fun in Your Run! Join the RRS Fourth Thursday Adventure Run! What is a Road Runner Sports Thursday Adventure Run? • Run To fun checkpoints for free raffle ticke ...(continued)
Other
Colorado
Lone Tree

Next Date
Unknown

American Discovery Trail Marathon
THE COURSES: A Pikes Peak Road Runner Managed and Directed Event. The event courses have little altitude change; and follow Monument and Fountain Creeks, almost entirely on trails. A few rol ...(continued)
Marathon
Half Marathon
5 K
Colorado
Colorado Springs

Next Date
Unknown

American Heroes Run
9/11 American Heroes Run. We will never forget the tragic events of 9/11/01 and how it changed our nation forever. Please join us for this special day and celebration of the greatest nation on earth ...(continued)
Marathon
Half Marathon
9.11 Miles
9 Hours
5 K
Colorado
Longmont

Next Date
Unknown

Anthem CO Turkey Day 5K
It’s that time again for the annual Anthem Turkey Day 5k Run/Walk. Our first race was a huge success with over 500 participants! We have added lots of fun things to our race and hope to see an even ...(continued)
5 K
Colorado
Broomfield

Next Date
Unknown

Anthem Turkey Day 5k
Broomfield, Colorado Thanksgiving Day (Turkey Day) 5k. Benefits Sister Carmen Community Center
5 K
Colorado
Broomfield

Next Date
Unknown

Apple Cider 5K/10K Race
Apple Cider 5K/10K takes place at Westminster Promenade Terrace with a scenic run along the Big Dry Creek Trail system. Proceeds benefit a charitable organization.
10 K
5 K
Colorado
Westminster

Next Date
Unknown

Aspen Backcountry Marathon
The most challenging race you've never run...because it's NEW! The Aspen Backcountry Marathon in Aspen, CO.
Marathon
Colorado
Aspen

Next Date
Unknown

Aurora Trails Day
Join us for Aurora Trails Day 5K run/walk, bicycle ride, and wellness fair at Aurora Reservoir.
5 K
Colorado
Aurora

Next Date
Unknown

Autumn Color Run
The Autumn Color Run is home to one of Colorado’s best half marathon routes. Held each year on the third weekend in September as the aspen leaves are changing from green to gold. The half marathon rou ...(continued)
Marathon
10 K
5 K
1 Mile
Colorado
Buena Vista

Next Date
Unknown

back2school 5k FAMILY walk/run
5k, family, fun, exercise
5 K
Colorado
Denver

Next Date
Unknown

Back2School FAMILY 5k walk/run
We’re baaaaaaaaaaaaaack! The Back2School 5k Family Walk/Run! This is a non-competitive, non-timed family friendly event. There will be music, face painting, jumping castles and more. Come join us for ...(continued)
5 K
Colorado
Denver

Next Date
Unknown

BattleFrog Series - Greater Denver
mudrun, october, colorado, battlefrog, ocr, obstacle course racing, 8k, 5 mile, kids races, adult races,
8 K
1 Mile
Colorado
Bailey

Next Date
Unknown

Beat the Heat 5K, 10K and Half Marathon
Beat the heat of summer and get your nature fix at Bear Creek Lake Park, near beautiful Morrison, CO. Just outside the urban sprawl and with majestic views every step of the way on these 5K, 10K & Half Marathon loop courses, you’ll find yourself saying, ‘Ahhh… Springtime in the Rockies. It just doesn’t get any better than this!’
Half Marathon
10 K
5 K
Colorado
Lakewood

Next Date
Unknown

Berthoud Fall Family Fun Run/Walk 5K
5K in Berthoud Colorado September 7 benefitting Berthoud Schools wellness programs
5 K
1 K
Colorado
Berthoud

Next Date
Unknown

Beulah Challenge
Race in Colorado's beautiful Wet Mountains.
Half Marathon
10 K
5 K
Colorado
Beulah

Next Date
Unknown

Black Squirrel Trail Half Marathon
The Black Squirrel Trail Half Marathon is the premier trail half in Fort Collins Colorado run on the trails of Lory State Park.
Half Marathon
Colorado
Bellvue

Next Date
Unknown

Blue Sky Marathon
The Blue Sky Marathon trail race will start and finish at the Blue Sky Trailhead in the Horsetooth Mountain Open Space near Fort Collins, CO. The route will run between Horsetooth Mountain Park an ...(continued)
Marathon
Colorado
Fort Collins

Next Date
Unknown

Boulder 100
Fast, flat course with lots of aid stations. The course is run on the trails around the beautiful Boulder Reservoir. It consists of 7.14 mile laps and runners will be given 30 hours to complete the co ...(continued)
100 Mile
30 Hours
Colorado
Boulder

Next Date
Unknown

Boulder Marathon
People have enjoyed running and walking on the Boulder "backroads" for generations. And though there have been organized marathon and half marathon races held on the backroads dating back to the 1970' ...(continued)
Marathon
Half Marathon
Colorado
Boulder

Next Date
Unknown

Breckenridge Independence Day 10K Trail Run
10K Trail Run Summit County Breckenridge
10 K
Colorado
Breckenridge

Next Date
Unknown

Breckenridge Oktoberfest 5K Trail Run
Breckenridge Oktoberfest 5K Trail Run, September 12, 2015 at 10:00am. Lace up your running shoes and experience the changing aspens and beautiful scenery in this 5K trail run on Town of Breckenridge trails.
3.5 Miles
Colorado
Breckenridge

Next Date
Unknown

Briargate YMCA Turkey Trot 5K Run/Walk
This Thanksgiving Day invite your friends and family to help those less fortunate. For 12 years the Turkey Trot Run / Walk has helped raised money to support the YMCA of the Pikes Peak Region's Annual ...(continued)
5 K
Colorado
Colorado Springs

Next Date
Unknown

Bridging the Gaps: 10k, 5k, and 1 mile fun run
Bridging the Gaps 10k, 5k, and 1mile fun run is a fundraiser for Rifle High School's summer credit recovery program. The 10K spans Harvey Gap and Rifle Gap Reservoirs.
10 K
5 K
1 Mile
Colorado
Silt

Next Date
Unknown

Brighton Sole Stroll
The First Annual Brighton Sole Stroll is being hosted by the Brighton Chamber of Commerce and the Brighton Economic Development Coroporation. It is in association with the City of Brighton's Culture ...(continued)
5 K
Colorado
Brighton

Next Date
Unknown

Broncos Stadium Challenge
Run the Field at the Broncos Stadium Challenge featuring a Music 5K Run, 24 Life Obstacle Challenge and Music Festival.
5 K
Colorado
Denver

Next Date
Unknown

Bubble Run - Denver
The BUBBLE RUN™ is 5km of frothy goodness! At each kilometer, participants will run through Bubble Zones, and come out covered head to toe in colored bubbles and foam!
5 K
Colorado
Denver

Next Date
Unknown

Buffalo Creek Marathon
Marathon, and a shorter (10km-10mi) race. Near Pine, CO. The trails are fairly smooth, fun and fast.
Marathon
10 K
Colorado
Pine

Next Date
Unknown

Burning Bear Trail Run & Ultra
20mi & 40mi (approx) - 20mi course has 5,000' of climbing, between 9,530'-11,750'. 40mi course has 10,000' of climbing, up to 12,430'. Geneva Park, CO (~5mi south of Guanella Pass).
40 Miles
18 Miles
Colorado
Colorado Springs

Next Date
Unknown

Cheesman Park 5k
Free, flat & fast 5K!
5 K
Colorado
Denver

Next Date
Unknown

Chilly Cheeks 4M Run Series #1
Duathlon, Cherry Creek State Park, Denver, Colorado, Chip Timed, Racing Underground
4 Miles
Colorado
Denver

Next Date
Unknown

Chilly Cheeks 4M Run Series #2
4 mile run, racing underground, cherry creek state park, denver, colorado, RFID chip timed
4 Miles
Colorado
Denver

Next Date
Unknown

Chilly Cheeks 4M Run Series #3
chip timed, 4 mile, run, denver, cherry creek, colorado, racing underground
4 Miles
Colorado
Denver

Next Date
Unknown

Classic 10K and ADA Classic 5K
Classic 10K at Tiffany Square & ADA Classic 5K at North Monument Valley Park
10 K
5 K
Colorado
Colorado Springs

Next Date
Unknown

Collegiate Peaks Races
Beginning and ending near the Arkansas River, in Buena Vista, the course primarily follows single track trails along part of the old, historic Midland Railroad as well as through other scenic areas north and east of town. Encompassing great scenery and spectacular views, much of the course runs through lands managed by the National Forest and/or Bureau of Land Mnaagement.
50 Mile
25 Miles
Colorado
Buena Vista

Next Date
Unknown

Color in Motion 5K
Color In Motion 5K is a chance for you and a thousand of your closest friends to dress wacky, throw color on each other and create memories that will last a lifetime--all that while supporting a great cause!
5 K
Colorado
Colorado Springs

Next Date
Unknown

Color in Motion 5K
t's exactly that.... It is your body moving while being plastered in an explosion of vibrant color with all your friends and family! How many times have you paid money to run a boring 5K with nothing ...(continued)
5 K
Colorado
Colorado Springs

Next Date
Unknown

Colorado Colfax Marathon
The Colorado Colfax Marathon includes four exciting events. Race distances include a 26.2-mile marathon, a 26.2-mile 5 person marathon team relay (10k, 5k, 10k, 5k, 12k), a 13.1-mile half-marathon and a 1 mile run/walk for kids.
Marathon
Half Marathon
Colorado
Aurora

Next Date
Unknown

Colorado Outward Bound ULTRA Relay
24-hour, 170-mile team ultra relay race from Idaho Springs to Glenwood Springs, Colorado. Teams of five ultra runners take on an awe-inspiring course over three mountain passes including the continental divide on singletrack trail, dirt roads, bike paths and paved roads. Benefits Outward Bound.
170 Miles
Colorado
Golden

Next Date
Unknown

Colorado Spartan Military Sprint Race
Obstacle / Adventure / Trail Running
Adventure / Obstacle
Colorado
Fort Carson

Next Date
Unknown

Copperman Winter Race
The Copperman is a 3k adventure race with obstacles like the Hot Chocolate Pit Cross and Human Luge. It's geared towards thrill-seeking snow-lovers ready to tackle the snow and sun. Don't miss it!
3 K
Colorado
Copper Mountain

Next Date
Unknown

CURE Ultra Racing Events
Ultra Trail Race, 20K,50K,50Mile and 100K
50 K
Colorado
Littleton

Next Date
Unknown

Das Bier Burner 5K
Event Details - September 3, 2016 Prost! Bust out the lederhosen, it's time to burn off your Oktoberfest Biers & Brats! Join the Yeti and other fellow runners in this fun family-friendly 'Bier' run i ...(continued)
5 K
Colorado
Keystone

Next Date
Unknown

Dash & Dine 5k Series
Boulders favorite Spring tune-up series is ready to roll for 2012! The DASH n' DINE 5k Series is a six race series that takes place at Coot Lake in Boulder, CO
5 K
Colorado
Boulder

Next Date
Unknown

Dash 4 Cash
This is a short, fast, 3.5 mile race. There is a limit of 50 participants and a cash prize of $200 to the top male and female finishers.
3.5 Miles
Colorado
Commerce City

Next Date
Unknown

Dash and Dine 5K #1
TIME: ON-SITE REGISTRATION OPEN FROM 5:00-6:15PM DASH n DINE 5K STARTS AT 6:30PM POST RACE COOKOUT AT 7:15PM VOLUNTEERING: Volunteer to work 1 race and your next race if ...(continued)
5 K
Colorado
Boulder

Next Date
Unknown

Dash and Dine 5K #2
TIME: ON-SITE REGISTRATION OPEN FROM 5:00-6:15PM DASH n DINE 5K STARTS AT 6:30PM POST RACE COOKOUT AT 7:15PM VOLUNTEERING: Volunteer to work 1 race and your next race if ...(continued)
5 K
Colorado
Boulder

Next Date
Unknown

Dash and Dine 5K #3
TIME: ON-SITE REGISTRATION OPEN FROM 5:00-6:15PM DASH n DINE 5K STARTS AT 6:30PM POST RACE COOKOUT AT 7:15PM VOLUNTEERING: Volunteer to work 1 race and your next race if ...(continued)
5 K
Colorado
Boulder

Next Date
Unknown

Dash and Dine 5K #4
TIME: ON-SITE REGISTRATION OPEN FROM 5:00-6:15PM DASH n DINE 5K STARTS AT 6:30PM POST RACE COOKOUT AT 7:15PM VOLUNTEERING: Volunteer to work 1 race and your next race if ...(continued)
5 K
Colorado
Boulder

Next Date
Unknown

Dash and Dine 5K #5
TIME: ON-SITE REGISTRATION OPEN FROM 5:00-6:15PM DASH n DINE 5K STARTS AT 6:30PM POST RACE COOKOUT AT 7:15PM VOLUNTEERING: Volunteer to work 1 race and your next race if ...(continued)
5 K
Colorado
Boulder

Next Date
Unknown

Dash and Dine 5K #6
TIME: ON-SITE REGISTRATION OPEN FROM 5:00-6:15PM DASH n DINE 5K STARTS AT 6:30PM POST RACE COOKOUT AT 7:15PM VOLUNTEERING: Volunteer to work 1 race and your next race if ...(continued)
5 K
Colorado
Boulder

Next Date
Unknown

Denver Marathon
Join us for a world-class running experience in the Marathon, Half Marathon, or 4-person Marathon Relay. Every detail of the Denver Marathon has been planned with you - the runner - in mind. A world-class race course, a world-class race organization, in beautiful Colorado - all during a perfect time of year!
Marathon
Colorado
Denver

Next Date
Unknown

Denver Run for Babies
Join us for our inaugural race, meant to enhance and complement our premier walking event, Denver March for Babies. Run for Babies is a chip-timed & measured 5K through the Denver City Park. Celebr ...(continued)
5 K
Colorado
Denver

Next Date
Unknown

Derby Dash 5k and Fun Run
Walk, run or even crawl to the finish line and stay for family fun activities at the conclusion of the race! Proceeds will benefit Hope House, a non-profit organization that works to empower disadvantaged teen moms in the Denver-metro area.
5 K
1.4 Miles
Colorado
Arvada

Next Date
Unknown

Desert RATS Kokopelli 150
Desert RATS is a six day, fully supported stage race that covers a distance of approximately 143 miles
150 Miles
Colorado
Moab

Next Date
Unknown

Desert RATS Trailrunning Festival
A weekend of fun and running on the beautiful trails near Fruita, Colorado. The weekend includes a pasta dinner, Trail Marathon, 50K, Double Marathon races and awards party on Saturday, and 5 mile and half marathon races on Sunday.
52 Miles
50 K
26.2 Miles
Half Marathon
5 Miles
Colorado
Fruita

Next Date
Unknown

DEvelyn DASH
D'Evelyn DASH - Saturday, August 24th 9 AM Better than a pavement pounder, not the X-Games, great for families. Chip-timed, tech shirts, spectator-friendly, trail. Cash/card prizes. Fun activity booths, food, entertainment. Benefits academic, activity, and athletic needs at D’Evelyn Jr./Sr. High.
5 K
Colorado
Lakewood

Next Date
Unknown

Devil Mountain Ultra
This remote and legendary classic Ultra brings runners together for two days in the pristine forest of the South San Juan Mountains around Pagosa Springs. 7,500’ of climbing, 10,000’ of elevation, bon ...(continued)
50 Mile
50 K
Half Marathon
10 K
5 K
Colorado
PAGOSA SPRINGS

Next Date
Unknown

Discover Health and Wellness 5k/10k
We're committed to your health and your wellness. Join us for the inaugural Discover Health & Wellness 5k/10k race and wellness expo out of the beautiful North Area Athletic Complex. (NAAC) Same ...(continued)
10 K
5 K
Colorado
Golden

Next Date
Unknown

Divas Half Marathon at Vail
The Divas Half Marathon Series is the most fun and glam women's half marathon series in the nation. This series is all about girl power. Get glam at one of our races while enjoying a great run in som ...(continued)
Half Marathon
Colorado
Vail

Next Date
Unknown

Dog Days 5K, 10K and Half Marathon
Centrally located between Denver & Boulder, and just a mile off US 36, the beauty of our breathtaking Flatirons as a backdrop will remind you why you live here. Plus, Big Dry Creek Trail is well know as a Colorado favorite!
13.1 Miles
6.2 Miles
3.1 Miles
Colorado
Westminster

Next Date
Unknown

Double Road Race Denver
Join us for the first Double Road Race to be held in Denver. Race participants will run two road races (10k + 5k) on the same day. The Double is a unique event created by Bob Anderson, the founder of Runner’s World Magazine which he published for 18 years. $5,000 in prizes will be awarded.
15 K
Colorado
Denver

Next Date
Unknown

Durango Double
This course has been designed to be runner friendly - no killer hills here. Starting on College Mesa, the course quickly but gently drops 360 feet in elevation as you make your way to Main Avenue. This is the biggest elevation change on the course and from mile 5 on the route is flat to rolling and you don't climb back up the hill to Fort Lewis College.
50 K
Marathon
25 K
Half Marathon
Colorado
Durango

Next Date
Unknown

Durango Marathon
these courses have been designed to be runner friendly. Starting on College Mesa the the marathon and half marathon courses quickly, but gently, drop 360 feet in elevation as you make your way to Anim ...(continued)
Marathon
Half Marathon
Colorado
Durango

Next Date
Unknown

Earn Your Independence 10k and 5k
Spend your 4th of July at the Boulder Rez this year. Enjoy a morning run followed by a volleyball tournament. The activities don't stop there! There will be water sports, live music, food vendors, beer garden & more!
10 K
5 K
Colorado
Boulder

Next Date
Unknown

Earn Your Independence 5K and Volleyball Tournament
Volleyball, 5K & 1 Mile Walk/Run, Games on the Grass, Food Trucks and Beer Garden!
5 K
1 Mile
Colorado
Boulder

Next Date
Unknown

Easy Street Marathon
Half Marathon
Colorado
Fort Collins

Next Date
Unknown

Eldorado Cure 4 Miler
A benefit run for the Colorado Cancer Foundation. This run is a 4-Mile run through Eldorado Canyon. There is also a Kids Fun Run that will be 1/2-Mile! See you there!
4 Miles
Colorado
Eldorado Springs

Next Date
Unknown

Ellies Quest for a Cure
Ellie’s Quest for a Cure 5K! September 27, 2014 City Park Bandshell York St and 17th Ave. Race Starts at 9am The race will be professionally timed by Racing Underground. The ...(continued)
5 K
Colorado
Denver

Next Date
Unknown

Ellies Quest for a Cure and Birthday Bash 5k
Cherry Creek State Park West entrance 1/2 mile in to Hobie Hill 5k run/walk on bike path and wide dirt path. T-shirts, prizes to top finishers Birthday cake at the finish!
5 K
Colorado
Aurora

Next Date
Unknown

Erin Go Braugh Lucky 7.77k
Enjoy 7.77k on St. Patrick's Day weekend! (That's less than 5 miles....) After the event, you'll have all you can eat Lucky Charms at the finish line! Join us for the after party and free beer! Si ...(continued)
7.77 K
Colorado
Westminster

Next Date
Unknown

Estes Park Marathon
The Estes Park Marathon is the highest paved marathon in the world and one of the most scenic. Our USATF certified course takes you on a spirit-soaring tour of the majestic Estes Valley, gateway to Rocky Mountain National Park.
Marathon
Colorado
Estes Park

Next Date
Unknown

Fa La La 5K, 10K and Half Marathon
Centrally located between Denver & Boulder at Westminster’s award winning City Park, the majesty of our breathtaking Flatirons as a backdrop for these 5K, 10K & Half Marathon courses will inspire you every step of the way.
Half Marathon
10 K
5 K
Colorado
Westminster

Next Date
Unknown

Fall Highlands Ranch Six Pack Series
Something for Everyone! This series is for ROOKIES - looking to learn 'how to run or race'. THIS is the place to feel welcome and where you can ask ANY question. Race in EITHER distance offered at ...(continued)
10 K
5 Miles
4 Miles
5 K
1 Mile
2 Mile
Colorado
Highlands Ranch

Next Date
Unknown

Fathers Day 5K/10K
Please refer to website.
10 K
5 K
Colorado
Denver

Next Date
Unknown

FIBArk 5k and 10k Road Races
Join us for the FIBArk 5k and 10k road races!
5 K
Colorado
Salida

Next Date
Unknown

FIBArk Tenderfoot Mountain Hill Climb
Competitors scramble to the top of "S" Mountain and then back down. Winners complete the course in under 12 minutes!
1 Mile
Colorado
Salida

Next Date
Unknown

Fisher DeBerry Foundation 5k Run and Walk
Join legendary Air Force football Coach Fisher DeBerry as we host our Seventh Annual Fisher DeBerry Foundation 5k Fun Run and Walk. Coach DeBerry will present medals to the top 3 overall finishers in each race, as well as the top 3 finishers in each age category. Each participant will receive a tee shirt (S, M, L, XL, XXL). All registrants will be eligible to win great raffle prizes following the race as well as FREE CiCi’s Pizza after the race!!!
5 K
Colorado
Colorado Springs

Next Date
Unknown

Fort Collins Old Town Marathon
Join us in Mayfor the Annual Fort Collins Old Town Marathon. Participation is limited to 700 for the Marathon and 1,000 for the Half Marathon, so sign up early.
Marathon
Colorado
Fort Collins

Next Date
Unknown

Fort Collins Thanksgiving Day Run
The Fort Collins Thanksgiving Day Run has become the most popular family 4 mile run/walk event in Northern Colorado!
4 Miles
Colorado
Fort Collins

Next Date
Unknown

Free City Park 5k and 10k run
Free 5 & 10k run!
10 K
5 K
Colorado
Denver

Next Date
Unknown

Freeman Myre Corporate Challenge
Colorado's premier Corporate Challenge 5k. Come on out and represent your company! Elites will compete for over $2500 in prize money!
5 K
Colorado
Louisville

Next Date
Unknown

Frightening Five (Woodmen Hills 5K)
Earn your treats this Halloween by participating in the first annual Woodmen Hills Frightening Five 5K run/walk! The race is located in Falcon, CO (15 minutes East of Colorado Springs). Running Goblin ...(continued)
Road 5 K
Colorado
Colorado Springs (Falcon)

Next Date
Unknown

Frozen Foot 5k
Come support the CU Triathlon team in their quest to win a 12th National title!
5 K
Colorado
Boulder

Next Date
Unknown

Galloping Goose 5K/10K
Galloping Goose 5k/10k October 18, 2014 All runners get an official t-shirt and goody bag
10 K
5 K
Colorado
Aurora

Next Date
Unknown

Georgetown to Idaho Springs Half Marathon
Because of its location, this Half Marathon is one of the most pleasurable races in the western US and one of the fastest. We will limit the number to the first 4,000, runners and walkers, that sig ...(continued)
13.1 Miles
Colorado
Georgetown

Next Date
Unknown

Global Hope 5k
Come join Global Hope in our inaugural 5k fundraising event! Festivities will take place at the Broomfield United Methodist Church, 545 W 10th Ave, Broomfield, CO 80020. Register and pay for 5 or ...(continued)
5 K
Colorado
Broomfield

Next Date
Unknown

Gobble Wobble Run
Clement Park Gobble Wobble 5K race in Littleton CO on Thanksgiving Day
5 K
Colorado
Littleton

Next Date
Unknown

Golds Gym Half Marathon and 5K Run-Walk
Gold’s Gym is joining forces with the American Diabetes Association to help raise money and awareness for a cure for diabetes. The event will offer something for everyone. There is a half marathon, half marathon relay, 5k Run-Walk, and a Kid’s Fun Run!
Half Marathon
Colorado
Grand Junction

Next Date
Unknown

Grand Valley Marathon
The Grand Valley Marathon, 1/2 Marathon, 10K and 5K are made possible by Mammoth Marathons. We are a Non-Profit Organization made up of three race directors and many volunteers. These races were desig ...(continued)
Marathon
Half Marathon
10 K
5 K
Colorado
Palisade

Next Date
Unknown

Greenland Trail 50K
The Greenland Trail 50K is a new trail race located on the front range of Colorado. It was started with the intent to kick off the trail running season by offering a variety of distances to suit your running needs. Run in the Greenland Open Space of southern Douglas County, the Greenland Trail 50K strives to be the premier 50K in Colorado.
50 K
Colorado
Castle Rock

Next Date
Unknown

Hardrock Hundred Mile Endurance Run
100 miles, 33,000' total elevation gain, 11,186' average elevation, low point 7,680' at Ouray, high point 14,048' at Handies Peak.
100 Mile
Colorado
Silverton

Next Date
Unknown

Harvest Farm 5k: The Boot Scoot!
4th Annual Harvest Farm 5k: The Boot Scoot!
5 K
Colorado
Wellington

Next Date
Unknown

Heart Throb Run 5k
5k on flat and fast Memorial Park and surrounding streets of Olde Town Arvada. Great after party at Arvada Beer. Supports Arvada Community Food Bank!
5 K
Colorado
Arvada

Next Date
Unknown

Heritage/Adventure 5/10K Run
The 2013 Heritage/Adventure 5/10k has new and exciting courses. No more out and back for the 5kers, enjoy more of the HRCA Backcountry Wilderness Trails for your challenge and viewing pleasure... 10 ...(continued)
10 K
5 K
Colorado
Highlands Ranch

Next Date
Unknown

High Mountain Trail Run
Join us for a spectacular day of trail running and support the High Mountain Institute (HMI), a local Leadville non-profit educational institution. The High Mountain Trail Run is a great mid-summer race that can be used to prepare for late-summer ultras or marathons - or just to have a great day of running in the mountains!
50 K
25 K
Colorado
Leadville

Next Date
Unknown

Hippity Hop Easter Trot and Kids Cottontail Fun Run
Whether you're out to just enjoy a nice morning run or walk - OR if you're trying to set a personal record and keep on track with your spring training, join us this Easter weekend, April 4, at Central ...(continued)
10 K
5 K
Colorado
Denver

Next Date
Unknown

Home for the Holidays 5k and Family run
Gather your friends and bundle up for this pet-friendly race at Denver’s City Park. This is a great opportunity to support Colorado's homeless families and individuals.
5 K
Colorado
Denver

Next Date
Unknown

Home Sweet Home 5K/10K and Kids Fun Run
A flat, fast 5k/10k course through Denver's beautiful City Park. A great view of Denver's skyline against the majestic mountain backdrop of the Rockies is sure to make a remarkable setting for a crisp, autumn run.
10 K
5 K
Colorado
Denver

Next Date
Unknown

Hop Skip and a Jump Start
Lace up your running shoes for the Children’s Museum of Denver’s 6th annual family fitness event. Hop, Skip & a Jump Start has a race for every member of the family, including the stroller-friendly 5k ...(continued)
5 K
Colorado
Denver

Next Date
Unknown

Hop, Skip and a Jump Start
Hop, Skip & a Jump Start Sunday, September 18, 2016 Lace up! Hop, Skip & a Jump Start is the perfect race for every member of the family. With a stroller-friendly 5K, Kid Course, Toddler Trot, an ...(continued)
5 K
.25 Miles
.125 Miles
Colorado
Denver

Next Date
Unknown

HRCA Backcountry Wilderness Trail 1/2 Marathon
Backcountry Wilderness 1/2 Marathon Join us for our fifth annual 1/2 marathon in Highlands Ranch. This is an amazing course utilizing the Douglas County and HRCA Backcountry trails. This is a ...(continued)
Half Marathon
Colorado
Highlands Ranch

Next Date
Unknown

HRCA Cinco De Mayo 5k/15K
5k 15k
15 K
5 K
Colorado
Highlands Ranch

Next Date
Unknown

HRCA Heritage Adventure 5K/10K
5k 10k
10 K
5 K
Colorado
Highlands Ranch

Next Date
Unknown

HRCA Independance Day 5k
5k
5 K
Colorado
Highlands Ranch

Next Date
Unknown

HRCA Oktoberfest 5k
5k
5 K
Colorado
Highlands Ranch

Next Date
Unknown

HRCA St. Patricks Day 5k
5k race
5 K
Colorado
Highlands Ranch

Next Date
Unknown

HRCA Sunday Bloody Sunday 5k and 5k Challenge
5k race an a 5k Challenge course. The challenge course will have obstacles, including a climbing wall
5 K
Colorado
Highlands Ranch

Next Date
Unknown

HRCA Wildcat Mountain 5/10/20 Mile Trail Race
5 10 20 mile
20 Miles
10 Mile
5 Miles
Colorado
Highlands Ranch

Next Date
Unknown

Hunky Dory Half Marathon
Half Marathon Breckenridge Summit County Hunky Dory Trail Run
Half Marathon
Colorado
Breckenridge

Next Date
Unknown

Indian Creek Fifties
50K and 50 Mile ultras in Pike National Forest.
50 Mile
50 K
Colorado
Sedalia

Next Date
Unknown

Justice Run
5K Run & Walk on the Highline Canal Trail in Littleton, CO to benefit rescued victims of Human Trafficking.
5 K
Colorado
Littleton

Next Date
Unknown

Kooky-Spooky 5K, 10K and Half Marathon
5K, 10K & Half Marathon Runs
13.1 Miles
6.2 Miles
3.1 Miles
Colorado
Golden

Next Date
Unknown

La Sportiva Boneyard Boogie 11k Trail Race - Vail, CO
Registrations are filling fast for Colorado's longest operating trail running series, The La Sportiva Trail Running Race Series has become an iconic event that should not be missed.
11 K
Colorado
Eagle

Next Date
Unknown

Le Cours de L Amour (The Course of Love)
All is welcome on this course of love!!
10 K
5 K
Colorado
Denver

Next Date
Unknown

Leadville Silver Rush 50 Mile Trail Run
25 miles out and back within the high altitude environment of Leadville's historic east-side mining district. The route is extreme in true Leadville fashion. Well supplied aid stations with cut-offs.
50 Mile
Colorado
Leadville

Next Date
Unknown

Leadville Trail 100
50 miles out and back in the midst of the Colorado Rockies.
100 Mile
Colorado
Leadville

Next Date
Unknown

Leadville Trail Heavy Half Marathon
15+ miles of breathtaking, Leadville Rocky Mountain trails, summiting notorious 1`3185' Mosquito Pass. Well supplied aid stations with cut-offs.
Half Marathon
Colorado
Leadville

Next Date
Unknown

Leadville Trail Marathon
26.2 miles of breathtaking, Leadville Rocky Mountain trails, summiting notorious 13,185' Mosquito Pass. Well supplied aid stations with cut-offs.
Marathon
Colorado
Leadville

Next Date
Unknown

Let Freedom Run
Come celebrate Independence Day with us at the second annual Let Freedom Run. This event features a 5k and 10k distance as well as a Kids Fun Run. Learn more at www.LetFreedomRunColorado.com!
10 K
5 K
Colorado
Louisville

Next Date
Unknown

Longmonts Turkey Trot
Turkey Trot, 2mi, 10K, November
10 K
2 Miles
Colorado
Longmont

Next Date
Unknown

Loryfest 8k Trail Race
Part of the Trail Runner Magazine Trophy Series! Colorado's newest trail race through the clouds!
Colorado
Bellvue

Next Date
Unknown

LT 100 10K
1st & last 3.1 miles of the Leadville Trail 100 course.
10 K
Colorado
Leadville

Next Date
Unknown

Lucky Laces 5K/10K/Little Leperchaun Fun Run
LUCKY LACES 5K/10K & LITTLE LEPRECHAUN FUN RUN!
10 K
5 K
Colorado
Denver

Next Date
Unknown

Merrell Down and Dirty National Mud and Obstacle Series presented by Subaru
Race alongside local military personnel, public safety officers and police academy trainees on 5K and 10K courses filled with military-style obstacles! Cargo climbs, water crossings, marine hurdles an ...(continued)
10K mud and obstacles
5K mud and obstacles
Colorado
Denver

Next Date
Unknown

Mile High United Turkey Trot
Every Thanksgiving morning, 10,000 people make the Mile High United Way Turkey Trot an annual tradition with their families and friends. This race is Mile High United Way’s top fundraiser, raising fun ...(continued)
4 Miles
Colorado
Denver

Next Date
Unknown

Miles for Moms 5K
Miles for Moms is a 5K run/walk around Sloan’s Lake on Saturday, May 7, 2016 that helps raise awareness and funds in support Florence Crittenton Services. This year participants have the option to time their run and use their racing time for a qualifying wave at the BolderBOULDER. The event also offers fun, engaging activities for the whole family including face painting, Mother’s Day card-making, balloon artists, and more!
5 K
Colorado
Denver

Next Date
Unknown

Miles For Our Military 5k
Come run, walk or roll with us at the second annual Miles for our Military 5K, at beautiful Clement Park in Littleton! This 5K course is completely paved and relatively flat to accommodate all athlet ...(continued)
5 K
Colorado
Littleton

Next Date
Unknown

Mountain Chile Cha Cha
SCENIC TRAIL RUN ON PRIVATE TRAILS! Followed by an all-day Chile Festival!
Half Marathon
10 K
5 K
Colorado
PAGOSA SPRINGS

Next Date
Unknown

Moustache Must Dash 5K
Put on your best moustache and race, run, or walk through Trail Winds Park in Thornton adorning your best moustache. A portion of the proceeds and 100% of donations from the Moustache Must Dash 5K will support Movember Foundation.
5 K
Colorado
Thornton

Next Date
Unknown

National Veterans Day Run - Colorado Springs
The 4th Annual National Veterans Day Run in Colorado Springs will take place at Memorial Park. The race will offer two distances, 5K and a 1-mile family and supporter walk/run. We expect a large turnout of Veterans and Active-Duty military to this race so come out and support the men and women of our armed forces.
5 K
Colorado
Colorado Spring

Next Date
Unknown

Neon Splash Dash
August 10th, 2013 Gates Open at 5:30 pm Race Starts at 8:00 pm
5 K
Colorado
Commerce City

Next Date
Unknown

Newton Race for the Cure - benefiting the Colorado Cancer Foundation
This is a benefit run for the Colorado Cancer Foundation. It supports Colorado cancer patients, their families, research and education. There is a 4 Mile option and also a Kids Fun Run that measures 1/2 Mile in length. We hope to see you there!!
4 Miles
Colorado
Eldorado Springs

Next Date
Unknown

No Child Wet Behind Diaper Drive, 5K and Family Fun Run
No Child Wet Behind’s (NCWB) mission is to get diapers to those in need via monetary donations as well as diaper donations. NCWB is a nonprofit; it was started by Northeast Doulas, LLC, a for-profit c ...(continued)
5 K
Colorado
Fountain

Next Date
Unknown

Panicking Poultry 5k
Take the stress out of Thanksgiving morning and do your holiday race the week before. Join us for a 5k where turkeys are running for their lives (not real ones mind you). The Panicking Poultry 5k wi ...(continued)
5 K
1 Mile
Colorado
Boulder

Next Date
Unknown

Partners Mentoring Youths Fiesta 5K
Cinco de Mayo, Fiesta, 5k, mentoring, youth services, children, kids, run, race, partners mentoring youth
5 K
Colorado
Greeley

Next Date
Unknown

Pelican Lakes Turkey Trot
Get your Thanksgiving Day started off right with a beautiful run/walk at Pelican Lakes Golf Course at Water Valley in Windsor, CO. Choose from a 5K course or a more callenging 5 mile course. The cours ...(continued)
5 K
5 Miles
Colorado
Windsor

Next Date
Unknown

Pikes Peak Marathon
These races are very difficult and physically demanding high altitude runs that should not be undertaken without significant preparation. Moreover, the Ascent (and ascent leg of the Marathon) have only limited stretches without a significant uphill grade.
Marathon
Colorado
Manitou Springs

Next Date
Unknown

Polar Prowl 5K, 10K and Half Marathon
The original January Half Marathon in Colorado! From the heart of the West Metro area and the Stenger Soccer Complex, these 5K, 10K and Half Marathon courses will follow Van Bibber Creek Trail west ...(continued)
13.1 Miles
6.2 Miles
3.1 Miles
Colorado
Arvada

Next Date
Unknown

Police Memorial 5K Run
5K Police Memorial Run, Boulder County Sheriffs Office
5 K
Colorado
Superior

Next Date
Unknown

Prairie Dog Half
Ready to chase some prairie dogs? Learn more about this half marathon at www.PrairieDogHalf.com!
Half Marathon
Colorado
Wesminster

Next Date
Unknown

PurpleStride Denver 5K
The Pancreatic Cancer Action Network PurpleStride Denver is a family-friendly event that unites the community while raising awareness and support for the fight against pancreatic cancer. This 5K and f ...(continued)
5 K
Colorado
Denver

Next Date
Unknown

Quad Rock 50
Taking place on the trails and hills west of Fort Collins in Lory State Park and Horsetooth Mountain Park, the Quad Rock 50 will take you on a tour of the Fort Collins skyline, situated on the northeastern boundary of Colorado’s mighty Rocky Mountains.
50 Miles
25 Miles
Colorado
Bellvue

Next Date
Unknown

Rabbit Valley Half
A fun, rugged, desert half marathon run as an out and back mostly on the Kokopelli Trail. With short steep climbs, rock gardens and sand traps runners will enjoy 13.1 miles of gorgeous early season desert.
Half Marathon
Colorado
Fruita

Next Date
Unknown

Race for Open Space
Come out and support your local open space nonprofits, right here in Denver! The Sand Creek Regional Greenway Partnership and Bluff Lake Nature Center are teaming up to put on the Race for Open Sp ...(continued)
Half Marathon
10 K
5 K
Colorado
Denver

Next Date
Unknown

Ragnar Trail Snowmass-CO, Presented by Salomon
Ragnar Trail Snowmass-CO presented by Salomon brings you the perfect fusion of trail running, high-country camping, and Rocky Mountain beauty. Teams of 8 (or 4) will find their inner wild on three sep ...(continued)
120 Miles
Colorado
Snowmass Village

Next Date
Unknown

Reebok Ragnar Colorado
"There’s nothing quite like the Rocky Mountain Runner’s High that you’ll experience at Reebok Ragnar Relay Colorado. Reaching 10,000 ft. at its highest point, it has been dubbed as one of the hardest ...(continued)
200 Miles
Colorado
Copper Mountain

Next Date
Unknown

ReNew Years Resolution 1, 5 and 10K
80% Of those who make a new year’s resolution each year have abandoned it… quit… given up by January 31st. Make your resolution, then commit to this 1, 5 or 10K to start your 2013 with success! Cent ...(continued)
6.2 Miles
3.1 Miles
.62 Miles
Colorado
Westminster

Next Date
Unknown

Rim Rock Marathon
This will mark the third year for the Rim Rock Marathon, continuing an 19 year tradition of having a run that occurs inside the Colorado National Monument. This venue provides epic views and a world c ...(continued)
Marathon
Colorado
Grand Junction

Next Date
Unknown

Rock N Roll Denver Marathon
Marathon
Half Marathon
Colorado
Denver

Next Date
Unknown

Rock the Block
Rock the Block Jim Utley Foundation 10K, 5K & Fun Run
10 Miles
5 Miles
Colorado
Plano

Next Date
Unknown

Rocky Mountain Half Marathon
The Inaugural Rocky Mountain Half Marathon promises to be one of the most beautiful courses in the world with incredible views of Longs Peak and Rocky Mountain National Park.
Half Marathon
Colorado
Estes Park

Next Date
Unknown

Rocky Mountain High-est Leadville Marathon and Half-Marathon
In World Famous, the Infamous Leadville, Co. Rocky Mountain High-est! America’s Highest! The World’s Highest Road Marathon and Half Marathon.
Marathon
Half Marathon
Colorado
Leadville

Next Date
Unknown

Rocky Mountain Orthopaedics Associates Thigunawat 10K
The second annual Thigunawat 10K will be held at Powderhorn Ski Resort on August, 7th 2010. This event will offer a spectacular 10K trail run followed by a kids event and free music on Powderhorn’s Sun Deck.
10 K
Colorado
Mesa

Next Date
Unknown

Rogers River Rub 5K
Along with the Rhythm Reversed theme, Roger’s River Run 5K has been flipped for you to GLOW! Join us, Friday, July 7, in your glow and party apparel, to run, walk, or dance the 5K, all the way to the ...(continued)
5 K
Colorado
Longmont

Next Date
Unknown

Rogers River Run 5k
Along with the Rhythm Reversed theme, Roger’s River Run 5K has been flipped for you to GLOW! Join us, Friday, July 8, in your glow and party apparel, to run, walk, or dance the 5K, all the way to the ...(continued)
5 K
Colorado
Longmont

Next Date
Unknown

Rotary Race to End Polio (5k Run/Walk and 1 Mile Fun Run/Walk)
5k Run/Walk and 1 Mile Fun Run/Walk Saturday September 13, 2014 Westminster Promenade Terrace Park Westminster, CO US 80021 Rotary International has been a guiding force in eradicating the devastation of polio from our world. We’re helping close the gap by raising funds for this project. We also want to share our love for the outdoors and healthful living with our community. What better way than to show the power of Rotary than to get moving together!
5 K
1 Mile
Colorado
Westminster

Next Date
Unknown

RoxTrot 2016
RoxTrot 5k/10K race
10 K
5 K
Colorado
Littleton

Next Date
Unknown

Rudolph Dash 5K Run/Walk
Rudolph Dash 5K Run Walk in Prospect Longmont, Colorado. Horse drawn carriage, food vendors, Santa, live music.
5 K
Colorado
Longmont

Next Date
Unknown

Rudolph Ramble 5K Run
Part of the RunDenver Race Series which benefits Prostate Conditions Education Council.
5 K
Colorado
Denver

Next Date
Unknown

Rugged Maniac 5K - Denver
Adventure Race and Music Festival - 5K, 14+ serious obstacles, live music, food and beer!
5 K
Colorado
Denver

Next Date
Unknown

Rugged Maniac 5k Obstacle Race
25 EPIC obstacles, 3 rugged miles, and one awesome party! T-shirt, medal, and free beer (21+) included!
5 K
Colorado
Lakewood

Next Date
Unknown

Rugged Maniac Denver
Rugged Maniac is returning to Thunder Valley Motorsports Park on August 6th with 25 epic obstacles and 1 rockin’ party! Here’s how it works: Register for the race and you’ll get a chance to run our ...(continued)
5 K
Colorado
Morrison

Next Date
Unknown

Run Fore Home
Please add the following event to your race calendar. Register at n2n.org or on Active.com for Run Fore Home. This Sept. 26, (9 am) 5K/10K run and walk at Highland Meadows Golf Course in Larimer County benefits Neighbor to Neighbor's non-profit housing services including rental assistance, foreclosure counseling, home buyer education and affordable rental units. Go to n2n.org for more information.
5 K
Colorado
Fort Collins

Next Date
Unknown

Run Rabbit Run
The race is a spectacular 100 mile hop through the autumn colors of the Routt National Forest and Emerald Mountain of northern Colorado, with a few little jaunts through the terrific little town of St ...(continued)
100 Mile
50 Mile
Colorado
Steamboat Springs

Next Date
Unknown

Run the Rockies Half Marathon
Why run a course in the park when you can run fast Rocky Mountain courses in beautiful Summit County? The Half Marathon is 75% downhill and the Ten Mile Creek 10K is 100% downhill. Both start at Copper Mountain and finish in downtown Frisco!!!
Half Marathon
Colorado
Frisco

Next Date
Unknown

Run the Rocks 5K Run/Walk
Run the 'Rocks is a walk/run challenge matched with electrifying musical reverb at the world-famous amphitheatre crafted by Mother Nature herself. Whether you want to run like mad, or slowly inhale the fabulous panorama, you don't want to miss this unique Red Rocks event! Participants will begin the course on the rugged terrain of the Upper North Lot and run along the beautiful park roads towards Morrison. And for those of you who love our stair climbs, we incorporated those famous Red Rocks stairs just for you. Yep, you'll get to climb them as you finish the course. But what would an event be at the world-famous amphitheatre without music? We'll make sure you don't leave without rocking out to great local bands throughout the course.
5 K
Colorado
Morrison

Next Date
Unknown

Runapalooza 5K, 10K and Half Marathon
As those summer mornings are just beginning to cool, join us for a celebration of the season and our 2nd Annual Runapalooza! From the award winning Apex Center, these 5K, 10K & Half Marathon courses will run west along the 2012 Best of the Best Ralston Creek Trail through Arvada’s open spaces and stunning golf course communities. With its creek-side beauty, this is a can’t miss opportunity to enjoy all that Colorado has to offer!
Half Marathon
6.2 Miles
3.1 Miles
Colorado
Arvada

Next Date
Unknown

Runs With Scissor Races
Half-Marathon, Marathon, & 50k held at the Adams County Regional Park, Brighton, Colorado. A 1.31 mile multi-loop course held on a combination concrete multi-use path and scree covered trail with a short section of dirt road.
50 K
Marathon
Half Marathon
Colorado
Brighton

Next Date
Unknown

Sage Burner 50k/25k Trail Race
The Sage Burner is a moderate 25k and 50k run through the sage of the Gunnison valley. This race will take you to the top of the world literally as you run at 8000 feet of elevation.
50 K
25 K
Colorado
Gunnison

Next Date
Unknown

San Juan Soltice 50
The San Juan Solstice 50 mile endurance run is a scenic and very difficult loop through the high San Juans. 12,000'+ elevation gain; mostly trails, some jeeproads. Middle-of-pack runner: expect 12-14 hours. 16:00 cut-off.
50 Mile
Colorado
Lake City

Next Date
Unknown

Sand Creek Half Marathon, 5K/10K
Please refer to website.
Half Marathon
10 K
5 K
Colorado
Denver

Next Date
Unknown

Sharin O The Green
5k, race, racing, Sharing of the Green, Sharin' o' the green, non-profit
5 K
Colorado
Fort Collins

Next Date
Unknown

Sheep Mountain 50-Mile Endurance Run
The Sheep Mountain 50 throws everything it has at runners, challenging you from start to finish, among the mountains and hills lining the western slope of the South Park Valley. Runners looking for a ...(continued)
50 Mile
Colorado
Fairplay

Next Date
Unknown

Silly Pig Mud Run
This is a 5k mud run (the race will have obstacles and mud), a different kind of run!
5 K
Colorado
Aurora

Next Date
Unknown

Silverheels 100-Mile Endurance Run
The Grand-Daddy of all the Human Potential Running Series Races, The Silverheels 100. Put on your dancing shoes and bring everything you’ve got in you to tackle this monster of a 100 miler. A true mou ...(continued)
100 Mile
Colorado
Fairplay

Next Date
Unknown

Silverton 72 Hour Run
The 3rd Annual Silverton Multi-Day Challenge is actually 6 races in one. The 6 day & 1000 Mile Runs will start on August 28th, the 72 hour on August 31st, the 48 hour on September 1st and the 24 hour ...(continued)
72 Hours
48 Miles
24 Hours
Colorado
Silverton

Next Date
Unknown

Silverton Alpine Marathon and 50K
Leaving Memorial Park, follow 18th Street to Cement Street, turning left and then running through Silver Lakes campground. Proceed straight on this road until you intersect asphalt road (County Road 2 ...(continued)
50 K
Marathon
Colorado
Silverton

Next Date
Unknown

Skirt Sports 13er
Join us for the Skirt Sports 13er, 5k & 10k in Louisville, CO. The race starts and finishes at Home Depot, next to the Cinebarre Louisville Theater. Free parking is available in the RTD lots on both s ...(continued)
Half Marathon
10 K
5 K
Colorado
Louisville

Next Date
Unknown

Slacker Half Marathon / Relay / 4 Mile Race
The highest downhill half marathon in the country and possibly the highest downhill 4-Mile!
Half Marathon
4 Miles
Colorado
CO

Next Date
Unknown

Slacker Half Marathon-Relay-4 Mile Races
Course Description Welcome to the highest downhill half marathon in the country and possibly the highest downhill 4-miler! The half marathon/relay** begins on dirt and then paved bike path at Lovela ...(continued)
Half Marathon
4 Miles
Colorado
Georgetown

Next Date
Unknown

South Park Trail Marathon and Half
Starting at an elevation of 9,915’ and topping out at 13,183’ above sea level, the South Park Marathon is one of the highest marathons in Colorado. Run from the South Park Historical District all the ...(continued)
28 Miles
14 Miles
Colorado
Fairplay

Next Date
Unknown

Spring Fever 5K, 10K and Half Marathon
5K, 10K & Half Marathon Run
13.1 Miles
6.2 Miles
3.1 Miles
Colorado
Golden

Next Date
Unknown

Spring Fling Prairie Dog Half/10k/5k
Half Marathon
10 K
5 K
Colorado
Arvada

Next Date
Unknown

Steamboat Marathon
The Steamboat Marathon and Half Marathon traditionally fill early so register now. Registration opens on January 1, 2012.
Marathon
Half Marathon
10 K
Colorado
Steamboat Springs

Next Date
Unknown

Steamworks Animas Valley Half Marathon
Half Marathon
Colorado
Durango

Next Date
Unknown

Strides For Strength 5K and Fun Run
This inaugural, exciting family event is a fundraiser for Project Self-Sufficiency. The event will commence rain or shine. Register on-line at www.ps-s.org 5K-$25; Fun Run-$10; Max per Family $50.
5 K
Colorado
Loveland

Next Date
Unknown

Summer Breeze 5K, 10K and Half Marathon
From the heart of the West Metro area and the Stenger Soccer Complex, these 5K, 10K and Half Marathon courses will follow Van Bibber Creek Trail west through Arvada’s open spaces with spectacular views of the countryside and Table Mountain. All distances have a fairly level grade and are a great opportunity for an early season PR! **Spectator and strategic runner friendly with 2 laps on the half!**
Half Marathon
10 K
5 K
Colorado
Arvada

Next Date
Unknown

Summer Westminster Six Pack Series
Something for Everyone! This series is for ROOKIES - looking to learn 'how to run or race'. THIS is the place to feel welcome and where you can ask ANY question. Race in EITHER distance offered at ...(continued)
5 K
Colorado
Westminster

Next Date
Unknown

Summit Trail Running Series Race #1
trail run, trail runs, breckenridge race, summit county run, 10K, 5K
10 K
4 K
Colorado
Breckenridge

Next Date
Unknown

Summit Trail Running Series Race #2
trail run, trail runs, breckenridge race, summit county run, 10K, 5K
8 K
5 K
Colorado
Breckenridge

Next Date
Unknown

Summit Trail Running Series Race #3
Breckenridge, Trail Runs, Summit County
20 K
5 K
Colorado
Breckenridge

Next Date
Unknown

Summit Trail Running Series Race #4
Explore the trails of Breckenridge this summer with the 15th Annual Summit Trail Running Series. The Series consists of 6 trail races in and around the Breckenridge area. Each race features a short an ...(continued)
15 K
10 K
Colorado
Breckenridge

Next Date
Unknown

Summit Trail Running Series Race #5
Explore the trails of Breckenridge this summer with the 15th Annual Summit Trail Running Series. The Series consists of 6 trail races in and around the Breckenridge area. Each race features a short an ...(continued)
10 K
5 K
Colorado
Breckenridge

Next Date
Unknown

Summit Trail Running Series Race #6
Explore the trails of Breckenridge this summer with the 15th Annual Summit Trail Running Series. The Series consists of 6 trail races in and around the Breckenridge area. Each race features a short an ...(continued)
11 K
7 K
Colorado
Breckenridge

Next Date
Unknown

Sunset 5K
The Sunset 5k is the perfect venue to set that PR at. A Flat and Fast Wed Night race! Come watch the top pro runners compete for $2500 in prize money!
5 K
Colorado
Louisville

Next Date
Unknown

Superhero Run
Come dressed as your favorite Superhero or just as yourself! This beautiful course begins and ends at St. Michael’s Town Square and runs through surrounding neighborhoods. The 5K race is certified ...(continued)
5 K
Colorado
Colorado

Next Date
Unknown

The Bear Chase
The Bear Chase is a beautiful 50 Mile, 50km, Half Marathon & 10km trail race just 15 minutes from downtown Denver at Bear Creek Lake Park in Lakewood, CO. An excellent race for first time ultramaratho ...(continued)
50 Mile
50 K
Half Marathon
10 K
Colorado
Lakewood

Next Date
Unknown

The Beulah Challenge
This spectacular 5k, 10k, and 1/2M takes place in the foothills of the Wet Mountains. All proceeds used to promote education, conservation, and healthful living in and around the Beulah Valley.
Half Marathon
10 K
5 K
Colorado
Beulah

Next Date
Unknown

The Butterfly 5k
The Butterfly 5K is a first-time 5K run/walk created by a senior from Rock Canyon High School on the Bluffs Regional Park Trail in Lone Tree, Colorado, on April 27th at 9:00 am. The run/walk is inspired by Brent Webber and is benefitting The Starlight Childrens Foundation.
5 K
Colorado
Lone Tree

Next Date
Unknown

The Color Run at Copper Mountain
After a very colorful inaugural race last year, Copper Mountain welcomes back, in true color-throwing style, the only on-snow winter Color Run this spring.
5 K
Colorado
Copper Mountain

Next Date
Unknown

The Community Gathering 5k/10k And Childrens Hope 1k
The Community Gathering is an event to raise awareness in the local community while having a good time and supporting a great cause all at the same time! So Come Out and JOIN US!
10 K
5 K
1 K
Colorado
Denver

Next Date
Unknown

The Dog Days of Summer 5K/10K and 1 Mile Doggy Dash
Please refer to website.
10 K
5 K
Colorado
Denver

Next Date
Unknown

The Epic 50K
14,400 feet of elevation gain • average elevation over 11,000 feet 1/3 single track 1/3 cross country 1/3 dirt road EXCELLENT FOR HARDROCK DREAMERS!!!
50 K
Colorado
Silverton

Next Date
Unknown

The Evergreen Town Race 5k run/walk And 10k run
The 32nd running of the Evergreen Town Race will be hosting the 2011 USATF Championships with our 10k race being a part of the Grand Prix Series.
10 K
5 K
Colorado
Evergreen

Next Date
Unknown

The Gift of Life and Breath
5k Run Walk to benefit early detection of lung cancer research
5 K
Colorado
Aurora

Next Date
Unknown

The Rundola - Tellurides 4th of July Classic
Uphill, Telluride, Trail Run, 1k, Kid's Run, Breakfast, T-shirt, 5k
2 Miles
Colorado
Telluride

Next Date
Unknown

The Turkey Chase
Join us for the Turkey Chase 10k benefiting the Denver Rescue MIssion! Your registration to this fun-filled, family event will also provide holiday meals to men, women and children in need. The Turkey Chase is open to all ages and abilities and is the perfect way to start your Thanksgiving Day! Hope to see you there!
Adventure
Colorado
Arvada

Next Date
Unknown

The Zombie Run 5K- Denver
The Zombie Run 5K will take place in Denver's City Park at 9:00AM on July 28th, 2013.
5 K
Colorado
Denver

Next Date
Unknown

Three Creeks Half Marathon
Travel on foot through some of the most beautiful parts of Cherry Creek State Park, with a total combined elevation gain of only 253 feet spread out over 13.1 miles as the course follows the banks of ...(continued)
Half Marathon
Colorado
Denver

Next Date
Unknown

Tommyknocker 12-Hour
Ultra, Trail run, 12 Hour, Ultramarathon, Colorado
12 Hours
Colorado
Golden

Next Date
Unknown

Trailrunning Festival
This is a difficult course! The 25-mile race will be a single loop connecting the desert trails of Kokopelli’s and adjacent trails. The course rolls between elevations of 4,500 and 5,400 feet with over 4,000 feet of climbing per loop.
50 Mile
25 Miles
10 Miles
5 Miles
Colorado
Fruita

Next Date
Unknown

Turkey Chase 10k and Family Fun Run 5k
http://www.RunningGuru.com/Event/TurkeyChase12
10 K
Colorado
Denver

Next Date
Unknown

Turkey Chase 5K
Turkey Chase 5K Denver Rescue Mission
5 K
Colorado
Arvada

Next Date
Unknown

Turkey Chase 5K Benefiting Denver Rescue Mission
Denver Rescue Mission invites you to join us for the 7th Annual Turkey Chase Family Fun Run 5k on Thanksgiving Day! Burn some calories before the big feast, spend some quality time with friends and family, and support those in need this holiday season! 100% of the proceeds will go to benefit programs at Denver Rescue Mission. The Mission helps the homeless, hungry and hurting in Denver. By running in this race you’ll offer hope to those who need it most this Thanksgiving and Christmas!
Half Marathon
Colorado
Arvada

Next Date
Unknown

Turkey Rock Trot
Please join us for the 5th Annual Turkey Rock Trot. This 5K family-friendly event happens Thanksgiving day at the Douglas County Fairgrounds and Events Center. All proceeds from this event benefit the ...(continued)
5 K
Colorado
Castle Rock

Next Date
Unknown

Turkey Track Trail Marathon and 1/2 Marathon
A trail race through ponderosa and aspen forests with great veiws of the surrounding mountains. Fully stocked aid stations just when you need them.
Marathon
Half Marathon
Colorado
Pagosa Springs

Next Date
Unknown

Turkey Trot 10k or 2M
November 10k or 2 Mile Race in Colorado
10 K
2 Mile
Colorado
Longmont

Next Date
Unknown

Turleys Turkey Trot
A no frills, low key 5K. New faster course this year still through the US West Research Park on the CU Boulder east campus. Race day registration is at the CU Outdoor Track, near 30th St. & Colorado A ...(continued)
5 K
Colorado
Boulder

Next Date
Unknown

Turret Marathon
Marathon
Half Marathon
Colorado
Salida

Next Date
Unknown

Ugly Sweater Run
This is the OG. The Original. The Ugly Sweater Run™ is coming back this winter season 2013. You’ve been posting requests all over our website and we’ve heard you!
5 K
Colorado
Denver

Next Date
Unknown

UltraRace of Champions
100k championship, 50k,trail Half marathon Breckenridge to Vail,
100 K
50 K
Half Marathon
Colorado
Vail

Next Date
Unknown

Undy 5000, A Brief Run to Fight Colon Cancer
The Colon Cancer Alliance (CCA), a national patient advocacy organization dedicated to ending the suffering caused by colon cancer will host the 2nd Annual Denver Undy 5000 5K Run on Saturday, June 26, 2010 at Denver’s City Park. The goal of this family-friendly event is to educate the public about colon cancer, promote screenings, and get people talking about this deadly but preventable disease. Participants will run or walk in custom boxer-style shorts as a fun way to bring attention to a serious disease. The run also raises funds to maintain and build the CCA’s national and local patient support and innovative public awareness programs. A percentage of the local proceeds will go toward the Colorado Colorectal Screening Program.
5 K
Colorado
Denver

Next Date
Unknown

United In Purple 5k
From Jefferson County’s NAAC stadium and with Colorado’s mountain vistas as a spectacular backdrop, National Pancreatic Cancer Foundation presents our 1st annual United in Purple 5K Run / Walk. Easily ...(continued)
3.1 Miles
Colorado
Golden

Next Date
Unknown

Vail Victory Trail Marathon
The Vail Victory Trail Marathon has a limited field and spectacular course. 100 runners will race in beautiful backcountry of the White River National Forest. This exceptional course on the northern s ...(continued)
Marathon
Colorado
Vail

Next Date
Unknown

Vampire 5k
Citizens in all white start in one location, Vampires in black in another. The paths converge at an unknown location and then the hunt is on! Vampire will try to "convert" citizens by pulling both whi ...(continued)
5 K
Colorado
Littleton

Next Date
Unknown

Walk MS Glenwood Springs and 5K Run
Walk MS — connecting people living with MS and those who care about them. It is a day when we come together to show the power of our connections. The money we raise through Walk MS supports life changing programs for people living with MS in our community and drives cutting-edge research.
5 K
Colorado
Glenwood Springs

Next Date
Unknown

Westminster Womens Classic
An all women's race in its second year. Featuring: 10 Mile, 10k and 5k distances as well as a Kids' Fun Run for boys and girls ages 3-7. Come enjoy Mother's Day morning with us as we celebrate the s ...(continued)
10 Mile
10 K
5 K
.2 Miles
Colorado
Westminster

Next Date
Unknown

Westy Half and 5k
Westy half and 5k along Big Dry Creek
Half Marathon
5 K
Colorado
Westminster

Next Date
Unknown

Wild West Relay 200-mile
The Wild West Relay is a 200-mile team running relay race in Colorado designed for runners of all abilities.
Other
Colorado
Ft. Collins

Next Date
Unknown

Wings for Life World Run
The Wings for Life World Run will take place on May 4, 2014 simultaneously in 37 locations worldwide including Sunrise, FL; Denver, CO; and Santa Clarita, CA. Runners around the world will start toge ...(continued)
Other
Colorado
Denver

Next Date
Unknown

Winter Park Half Marathon and 5K
Looking for a challenge? Located only 60 miles from Denver, you can leave the city behind to enjoy these stunning, remote races. They are perfect for athletes of all levels, but will be sure to push you to your limits as your enjoy the spectacular beauty of the Rocky Mountains. 100% of proceeds go to the Shining Stars Foundation, bringing hope to children with cancer or other life threatening illnesses.
Half Marathon
Colorado
Winter Park

Next Date
Unknown

Wolfpack Ninja Tour - Obstacle Course Race
Compete on ninja obstacles against the star-studded PRO NINJAs who debuted on NBC's American Ninja Warrior. Adults and kids (12+) are eligible to run the course. Over $30K in prize money is up for grabs.
Other
Colorado
Denver

Next Date
Unknown

Wounded Warrior Project
Register now to run or walk in Wounded Warrior Project® (WWP) 8K Runs, presented by USAA. The fundraising event arrives in Colorado Springs, Colorado August 9. A WWP 1K Fun Run is also offered for participants aged 12 and under. Fundraising proceeds of each WWP 8K Run directly benefit WWP’s programs, structured to nurture the mind and body, and encourage economic empowerment and engagement of injured service members.
8 K
Colorado
Colorado Springs

Next Date
Unknown

XPLORE Denver - Urban Adventure Race
XPLORE is a team-based adventure race through the city for athletes and fun-seekers of all ability levels. Solve clues, complete wild challenges, experience the city like never before, win prizes.
5 K
Colorado
Denver

Next Date
Unknown

XTERRA Cheyenne Mountain State Park 12K/24K
12K/24K double loop trail race.
24 K
12 K
Colorado
Colorado Springs

Next Date
Unknown

XTERRA Turkey Track Trail Run
In its 7th year, this old mountain classic 1/2 & full trail marathon joined the XTERRA Colorado Trail Run Series in 2013 and has added a 5k and 10k distance in 2015! In addition the race is also part ...(continued)
26.2 Miles
Half Marathon
10 K
5 K
Colorado
PAGOSA SPRINGS

Next Date
Unknown

Zooma Colorado Half Marathon and 10K
Both the half marathon and the 10K courses have never been run before and will start and finish at St Paul’s Catholic, 9 El Pomar Rd.
Half Marathon
10 K
Colorado
Colorado Springs
 



 

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