| Event |
Distance(s) |
State
/ City |
 Ice Age Trail Race 50k 50mi
The Ice Age 50K is a part of the Montrail Ultra Cup series. By participating in the Ice Age 50 Kilometer Solo Run you are automatically entered in the Montrail Ultra Cup point's race. |
50 Mile
50 K
|
Wisconsin
La Grange |
Icebreaker Indoor Marathon
The Icebreaker Indoor Marathon & Half Marathon is making a return appearance this winter to the Pettit National Ice Center in Milwaukee in January.
There is a race for everyone; not just marathon r ...(continued) |
Marathon
Half Marathon
5 K
|
Wisconsin
Milwaukee |
Iditarod Trail Invitational
The Iditarod Trail Invitational run,bike, ski race follows the Iditarod Trail for 350 miles to McGrath Or 1,000 miles all the way to Nome. |
1000 Miles
350 Miles
|
Alaska
Knik |
Ijams Nature Center 50K & 1/2 Marathon Trail Runs
Come enjoy the beauty of Ijams Nature Center. The 275 acre wildlife sanctuary and environmental learning center are our hosts for these challenging distance running events. |
50 K
Half Marathon
|
Tennessee
Knoxville |
I'm not a Fool 50K
The challenging 50K course follows two loops on the Croom Hiking Trail through central Florida's long leaf pines and scrub oak covered hills, past creek bottoms and cypress ponds. There will be a cutoff time of 6:00 pm. Race starts at 7:00am. |
50 K
|
Florida
Brooksville |
|
|
 Indian/Celina Challenge Marathon, Half Marathon and 8 Mile Run
One of the toughest TRAIL courses you can find in the Midwest with 6000' of elevation gain for the full marathon. On the rugged hills of Southern Indiana, these 3 races will challenge the toughest of all trail runners. All participants must be experienced in trail running to safety reasons. |
Marathon
Half Marathon
8 Miles
|
Indiana
Leopold |
Indiana First Bank Veterans Marathon And Half Marathon
Certified Course is out and back on the Ghost Town Trail which is a rails to trails thru state game lands with only two road crossings. |
Marathon
|
Pennsylvania
Black Lick |
Indiana Trail 100
The Indiana Trail 100 is a non-profit event managed by ultra-runners with the net proceeds going back to the park. We are convinced that once you run on our scenic course you will keep coming back. We ...(continued) |
100 Mile
|
Indiana
Albion |
 Indianapolis Marathon And Half Marathon
This scenic race starts and finishes in historical Fort Benjamin Harrison and takes participants on a beautiful loop of the State Park during the peak of the fall foliage spectacle. The full and half marathon courses are mainly flat with some early rolling hills around miles 3 and 5. There is a challenging hill just past mile 10 in the State Park. |
Marathon
Half Marathon
|
Indiana
Indianapolis |
 Indianapolis Monumental Marathon and Half Marathon & 5K
This beautiful course highlights a number of key Indianapolis landmarks and neighborhoods, is flat and fast and a good Boston Marathon qualifier. The course starts and finishes near the Indiana State ...(continued) |
Marathon
Half Marathon
5 K
|
Indiana
Indianapolis |
Indoor Insanity Marathon Relay/5K
Indoor marathon, marathon relay, 5K |
Marathon
|
North Carolina
Winston-Salem |
Indoor Marathons of America - Reliant Stadium - Houston
Indoor Marathon and Half Marathon Houston Reliant Stadium |
Marathon
Half Marathon
|
Texas
Houston |
Indy Classic Marathon
Come be part of this historic event! You could be the first Indy Classic Marathon winner. Register today to reserve your spot and be a part of history in the making. Act now and get in on all the activities leading up to the marathon day .
You can choose between the full 26.2 Marathon, the 13.1Half Marathon or the 5k Walk /Run check the routes for each by clicking the links at the left. Wheelchair entries are also welcome having the same choices as the runners.
|
Marathon
Half Marathon
5 K
|
Indiana
Indianapolis |
 ING Hartford Marathon and 1/2 Marathon
Marathon, 1/2 Marathon, Marathon Team Relay, ING 5K, ING Kids K
Simply a great race. |
Marathon
Half Marathon
5 K
1 Mile
|
Connecticut
Hartford |
 ING Miami Marathon and Half Marathon
The eyes of the world will be focused on the main event of the weekend - the ING Miami Marathon®. Friends, family and curious spectators will line up along the 26.2 miles of roadways filled with inspiring sights and sounds to cheer on the many that chose to RUN MIAMI! |
Marathon
Half Marathon
|
Florida
Miami |
Instant Classic Trail Race
New Spring Trail Marathon in Central Virginia (Richmond Area).
|
Marathon
|
Virginia
Chesterfield |
Iron Horse 100 Mile Endurance Run
Rail Trail and State Forest run with 100 mile, 100km and 50 mile options. Partially paved and balance on Forest Service dirt trails and roads. |
100 Mile
100 K
50 Mile
|
Florida
Florahome |
 Iron Horse Half Marathon
This flat, scenic 2-loop course begins and ends on Iron Horse Blvd. in the charming town center of Simsbury, loaded with quaint shops and wonderful restaurants. Plenty of parking at start/finish area. Post race entertainment, refreshments and awards. |
Half Marathon
10 K
5 K
|
Connecticut
Simsbury |
 Iroquois Trails Ultras
The Iroquois Trails Ultras are 50 and 100 mile ultramarathons located in Virgil, N.Y. and are intended to provide endurance trail athletes an additional opportunity in the under-represented northeast. The event uses The Finger Lakes Trail sections spanning the Tuller Hill and Kennedy State Forests, paired with the mountainous terrain of Greek Peak Mountain Resort.
This year’s races will begin at 6 a.m. on Saturday September 19, 2009, and will include a 50-mile race, a 100-mile race, and a 100-mile relay (new this year). Entry will open on February 5th, 2009, and be limited to the first 150 qualified entrants in both of the solo events. The 100 Mile Relay will be open to only the first 30 teams. |
100 Mile
50 Mile
|
New York
Virgil |
