Jun
27
Western States 100 2026
The Western States 100 2026 is an epic 100-mile trail from Olympic Valley to Auburn, CA, in one day on…
Presented by UTMB World Series
United States Events
73 upcoming events
Jun
27
Leadville Trail Marathon and Heavy Half 2026
The Leadville Trail Marathon and Heavy Half 2026 is arguably the nation’s toughest and highest-altitude marathon. The route takes trail…
Presented by Leadville Race Series
Jul
10
Hardrock 100 Endurance Run 2026
The Hardrock 100 Endurance Run 2026 is an ultramarathon of 102.5 miles, plus 33,197 feet of climb and 33,197 feet…
Presented by Rocky Mountain Slam Series
Jul
11
Ironstone 100k 2026
The Ironstone 100K 2026 is a renowned trail running event held annually in the rugged and scenic terrain of Pennsylvania.…
Presented by Eastern States Trail Endurance Alliance
Jul
11
Silver Rush 50 Run 2026
Silver Rush 50 Run 2026 is part of the Leadville Race Series. This unique high-altitude trail running event is a…
Presented by Life Time Events
Jul
11
XTERRA Trail Run World Championship 2026
The XTERRA Trail Run World Championship 2026 is the crown jewel of the global XTERRA Trail Run World Series, attracting…
Presented by Xterra Worldwide Trail Series
Jul
17
Vermont 100 Endurance Race 2026
The Vermont 100 Endurance Race 2026 is an annual premier ultra trail event in July and a Grand Slam of…
Presented by Grand Slam of Ultra-Running
Jul
18
Power of Four Trail Run 2026
The Audi Power of Four Trail Run 2026 is a premier endurance event utilizing the challenging and unique terrain of…
Presented by Aspen Snowmass Events & Experiences
Jul
18
Tahoe Rim Trail Endurance Runs (TRTER) 2026
The Tahoe Rim Trail Endurance Runs (TRTER) 2026 is a popular annual trail running event on the scenic Tahoe Rim…
Presented by TRTER
Jul
25
Grand Mesa Ultras 2026
The Grand Mesa Ultras 2026 is an exhilarating trail running event set against the stunning backdrop of Grand Mesa, Colorado,…
Presented by Best Slope Events
Jul
25
Tushars Mountain Runs 2026
The Tushars Mountain Runs 2026, organized by the Aravaipa Running group, is billed as one of “the toughest, most spectacular…
Presented by Aravaipa Running
Jul
25
Burning River Endurance Run & Relay 2026
The annual Burning River Endurance Run & Relay 2026, produced by Western Reserve Racing, offers 100-mile, 50-mile, and Marathon solo…
Presented by Western Reserve Racing
Jul
25
Enchanted Forest Trail Races 2026
Gemini Adventures brings three challenging trail runs to the Land of Enchantment in Red River, New Mexico, with the Enchanted…
Presented by Gemini Adventures
Aug
1
Angeles Crest 100 2026
The Angeles Crest 100 2026 Mile Endurance Run aka the AC100 is a renowned ultramarathon that has challenged trail runners…
Presented by Team AC100
Aug
1
Emerald Mountain Epic Trail 2026
The Emerald Mountain Epic Trail 2026 is one of the most well-attended and beloved trail-running events in Colorado and the…
Presented by Emerald Mountain Epic
Aug
3
TransRockies Run 2026
This six-day stage race takes you through the rugged and beautiful backcountry of the Colorado Rockies, covering 120 miles and…
Presented by TransRockies Race Series
Aug
8
Eastern States 100 2026
The Eastern States 100 2026 is a world-class wilderness ultra trail running experience and the final leg of the Pennsylvania…
Presented by Western States 100 Qualifier
Aug
9
Leadville 10K Run 2026
Nestled in the heart of Colorado’s Rocky Mountains, the Leadville 10K Run 2026, produced by Life Time Events, offers an…
Presented by Leadville Race Series
Aug
14
Marquette Trail 50 2026
The Marquette Trail 50 2026 in Michigan’s Upper Peninsula is an event that stands out for its challenging courses and…
Presented by North Country Trail Association
Aug
15
Leadville Trail 100 Run 2026
In the heart of the Colorado Rockies lies an event that embodies the essence of endurance, tenacity, and the indomitable…
Presented by Leadville Race Series
Aug
19
Gravel Worlds 2026
Gravel Worlds 2026 will celebrate its annual event and as a testament to the quality of the event, Lauf is…
Presented by Pirate Cycling League
Aug
21
TranSelkirks Run 2026
The TranSelkirks Run 2026 from the team at TransRockies is an epic three or five-day trail running experience in Revelstoke,…
Presented by TransRockies Race Series
Aug
22
The Vermont Overland Trail Run 2026
The Vermont Overland Trail Run 2026 is not a half marathon – it is not an Ultra – it’s something…
Presented by Vermont Overland
Aug
29
Xterra Sugarloaf 2026
The XTERRA Sugarloaf 2026 is a Trail Running Event that is a premier off-road race set in the breathtaking terrain…
Presented by Xterra Worldwide Trail Series