Upcoming races with ultra marathon distances in September across the USA. Use filters to quickly find races by state, city or race type.
More races:ย USA running calendar
Date Race Distance Location hf:tax:state hf:tax:city hf:tax:typerace 09/05/2025 Dark Divide Trail Races 100K, 100M, 15M, 50K Randle WA washington randle-wa trail 09/05/2025 American Heroes Run 100M, 13.1M, 24H, 26.2M, 5K, 9.11M, 9H Longmont CO colorado longmont-co roadrace 09/05/2025 Flaming Foliage Relay – Idaho Springs to Buena Vista 165M Idaho Springs CO colorado idaho-springs-co trail 09/05/2025 Old Forge Marathon 10K, 13.1M, 26.2M, 50K, 5K Old Forge NY new-york old-forge-ny trail 09/06/2025 DoWackaDo Trail Runs 10M, 20M, 30M, 40M, 50M, 5M Erick OK oklahoma erick-ok trail 09/06/2025 Hurricane 100K 100K Hurricane WV west-virginia hurricane-wv trail 09/06/2025 China Peak Running Festival 12K, 25K, 50K Lakeshore CA california lakeshore-ca trail 09/06/2025 Rebecca Mountain 50 Mile 50K, 50M Sylacauga AL alabama sylacauga-al trail 09/06/2025 Devil on the Divide 22K, 50K Empire CO colorado empire-co trail 09/06/2025 Mogollon Monster 100 100M, 26.2M Pine AZ arizona pine-az trail 09/06/2025 Hawk Hundred 100M, 26.2M, 50M, 75M Lawrence KS kansas lawrence-ks trail 09/06/2025 Pine Creek Challenge 100K, 100M, 26.2M, 50M Wellsboro PA pennsylvania wellsboro-pa trail 09/06/2025 The Gunni Grinder 120M, 30M, 60M Gunnison CO colorado gunnison-co co gunnison trail 09/06/2025 Chasing Trail Ultras Endurance Races 12H, 3H, 5K, 6H Old Fort NC north-carolina old-fort-nc trail 09/06/2025 FallApple 10K, 13.1M, 26.2M, 50K, 50M, 5K South Orange NJ new-jersey south-orange-nj trail 09/06/2025 Mendocino Running Festival 10K, 12H, 13.1M, 6H Mendocino CA california mendocino-ca trail 09/06/2025 GOAT Run 13.1M, 26.2M, 50K Port Angeles WA washington port-angeles-wa trail 09/07/2025 Macedonia Trail Race 12K, 25K, 50K Kent CT connecticut kent-ct trail 09/07/2025 Never Forget 9:11 Endurance 9H Greer SC south-carolina greer-sc roadrace 09/07/2025 Diablo Trail Run 10M, 13.1M, 26.2M, 4M, 50K Clayton CA california clayton-ca trail 09/12/2025 Run Rabbit Run 100M, 50M Steamboat Springs CO colorado steamboat-springs-co trail 09/12/2025 The Rut Mountain Runs 11K, 1K, 21K, 28K, 50K Big Sky MT montana big-sky-mt trail 09/13/2025 Sugg Farm Ultra 20M, 40M, 50M Holly Springs NC north-carolina holly-springs-nc trail 09/13/2025 Iron Will 100 100K, 100M, 36H, 50K, 50M Junction City KS kansas junction-city-ks trail 09/13/2025 Virgil Crest Ultras 100M, 50K, 50M Cortland NY new-york cortland-ny trail 09/13/2025 Shawangunk Ridge Trail Run 13.1M, 30M, 70M Rosendale NY new-york rosendale-ny trail 09/13/2025 Boulder Field 100 100K, 18M, 50K Jim Thorpe PA pennsylvania jim-thorpe-pa trail 09/13/2025 Plain Endurance Runs 100K, 100M Leavenworth WA washington leavenworth-wa trail 09/13/2025 Pine to Palm 100M 100M Williams OR oregon williams-or trail 09/13/2025 Snow Mountain Ranch Trail Festival 10K, 13.1M, 33K, 50K, 5K Granby CO colorado granby-co trail 09/13/2025 Rockin’ Rockwoods 53K 13.1M, 53K Wildwood MO missouri wildwood-mo trail 09/13/2025 Priest Lake Marathon 13.1M, 26.2M, 50K Priest Lake ID idaho priest-lake-id trail 09/14/2025 Pisgah Mountain Trail Races 23K, 50K Chesterfiled NH new-hampshire chesterfiled-nh trail 09/19/2025 The Georgia Jewel 100M, 18M, 35M, 50M Dalton GA georgia dalton-ga trail 09/20/2025 Flagstaff to Grand Canyon Stagecoach Line Ultra 100M, 55K Flagstaff AZ arizona flagstaff-az trail 09/20/2025 Mountain Lakes 100 100M Olallie Lake OR oregon olallie-lake-or trail 09/20/2025 The Barkley Fall Classic 50K Frozen Head State Park TN tennessee frozen-head-state-park-tn trail 09/20/2025 IMTUF 100 100M, 20M McCall ID idaho mccall-id trail 09/20/2025 Three Sisters Skyline 13.1M, 50K Sisters OR oregon sisters-or trail 09/20/2025 Battle by the Brook 20M, 6M Deckers CO colorado deckers-co trail 09/20/2025 Jangover Night Runs 15K, 25K, 50K, 75K, 7K Fountain Hills AZ arizona fountain-hills-az roadrace 09/20/2025 Dances With Dirt Michigan 30K, 50K, 50M, 55M Hell MI michigan hell-mi trail 09/20/2025 Soldier Cutoff Hillduro – Run 100K Pisgah IA iowa pisgah-ia trail 09/20/2025 O’Brien Trail Races 10K, 25K, 50K, 5K Marine on St Croix MN minnesota marine-on-st-croix-mn trail 09/20/2025 Kilkenny Ridge Race 25K, 25M, 50M Stark NH new-hampshire stark-nh trail 09/20/2025 Crimson Canyons Ultra 10K, 13.1M, 60K Richfield UT utah richfield-ut trail 09/26/2025 Cowboy 200 Ultra 100M, 200M Norfolk NE nebraska norfolk-ne trail 09/26/2025 Red Feather Trail Jamboree 13.1M, 50K, 50M Red Feather Lakes CO colorado red-feather-lakes-co trail 09/27/2025 Mt. Taylor 50K 50K Grants NM new-mexico grants-nm trail 09/27/2025 West Line Winder 50K 30K, 50K Buena Vista CO colorado buena-vista-co trail 09/27/2025 Sangre de Cristo Ultras 100K, 100M, 27K, 50K, 50M, 8M Westcliffe CO colorado westcliffe-co trail 09/27/2025 The Big Schloss Trail Run 33M Rockland WV west-virginia rockland-wv trail 09/27/2025 Sangre de Cristo Trail Festival 100K, 100M, 27K, 50K, 50M, 8M Westcliffe CO colorado westcliffe-co trail 09/27/2025 Crested Butte Ultra 35K, 50M, 55K Crested Butte CO colorado crested-butte-co trail 09/27/2025 The Hungerford Games Trail Race 15M, 45K, 50M Big Rapids MI michigan big-rapids-mi trail 09/27/2025 24 Hours of Palmer Lake 24H Palmer Lake CO colorado palmer-lake-co trail 09/27/2025 The Trailway Trail Race 10K, 13.1M, 26.2M, 50K, 5K Somerville TX texas somerville-tx trail 09/28/2025 Heritage 13.1 & 50K Trail Run 13.1M, 50K Adrian MI michigan adrian-mi trail 09/28/2025 Sawatch Ascent 50K 50K Nathrop CO colorado nathrop-co trail
Choose your favorite distance and save the calendar for later: Half Marathons, Marathons, Ultra Marathons, 5K, 10K, 50K, 50M, 100K, 100M
September Race Calendars:
| All Races | 5K Races |
| 10K Races | Half Marathons |
| Marathons | Trail Races |
| 50K Races | 50 Miles Races |
| 100K Races | 100 Miles Races |
