Apr
23
Canyons Endurance Runs by UTMB 2026
The Canyons Endurance Runs take place in Auburn, known as the “Endurance Capital of the World,” where mountain ultrarunning was…
Presented by Epic Endurance Events
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Apr
25
Glacial Esker Trail Race 2026
The Glacial Esker Trail Race offers a unique timed loop format where participants choose between 6, 12, or 24-hour challenges…
Presented by Ignite Trail Series
Apr
25
Xterra New Jersey 2026
Set in Wawayanda State Park just 50 miles from New York City, XTERRA New Jersey offers a rare combination of…
Presented by Xterra Worldwide Trail Series
May
9
Ice Age Trail 50 2026
One of the oldest continuously-running ultras in the country, the Ice Age Trail 50 offers a uniquely diverse Wisconsin landscape…
Presented by Ice Age Trail 50
May
9
Adventure Fest 2026
Adventure Fest combines mountain biking, gravel cycling, and trail running into a single weekend celebration of backcountry racing in Fruita,…
Presented by Gemini Adventures
May
10
Fruita Trail Half Marathon 2026
Part of Adventure Fest’s multi-sport weekend celebration, this half-marathon showcases Fruita’s pristine desert singletrack at its early-season best. The 13.8-mile…
Presented by Gemini Adventures
May
15
XTERRA Oak Mountain 2026
XTERRA Oak Mountain serves as the North American Trail Run Championships, drawing elite runners from across the Americas to compete…
Presented by Xterra Planet
May
30
Worlds End Ultramarathon 2026
This 100K traverse through Pennsylvania’s Endless Mountains delivers 64 miles of technical single-track terrain that earned its reputation as one…
Presented by Western States 100 Qualifier
May
30
Mohican Trail 100-50-Marathon 2026
The fifth-oldest ultra race in North America winds 95% on trail through the lush 5,000-acre Mohican Memorial State Forest. As…
Presented by UTMB World Series
Jun
6
Old Dominion 100 2026
Founded in 1979 by Pat and Wayne Botts, the Old Dominion 100 stands as one of America’s oldest continuously held…
Presented by Grand Slam of Ultra-Running
Jun
13
Kettle Moraine 100 2026
This classic ultra marathon launched in 1996 serves as the second leg in the Midwest Grand Slam of Ultrarunning Series…
Presented by Western States 100 Qualifier
Jun
19
Leadville Trail 100 Run Camp 2026
This intensive three-day training camp prepares runners for the legendary Leadville Trail 100, offering guided exploration of key course sections…
Presented by Leadville Race Series