Explore the best trail runs in the United States for 2026-2027! Our updated list features 4191 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
A 5K trail race on Norton, VA’s Flag Rock Area Trails held August 13, 2026 as part of the High Knob Outdoor Fest; the event takes place in Flag Rock Recreation Area and proceeds support the festival.
The 9th annual Junkyard Dash 5K in Moorhead, MN is a measured 5K run/walk along city streets and the Red River with chip timing, a race shirt, brewery glass and a free beer; the event is handicap friendly and includes prize drawings.
A point to point *200 mile* trail run around Mount St. Helens from August 14-18, 2026, featuring volcanic terrain, ridgelines, old growth forests, 13 aid stations and six sleep stations; the event is timed from start to finish.
The Bigfoot 20 Mile Run is a trail adventure on the iconic Mount St. Helens. The single-track course takes runners past lava fields, through old-growth forests, and across streams on the volcano's southwestern flank.
Thanks Sandy is a *9 mile* trail run at Kohler-Andrae State Park near Sheboygan, WI, featuring beach, marsh and cordwalk sections, a three hour cutoff, one on-course aid station and post-run snacks with dietary options.
Run moonlit singletrack on Casper Mountain at the Night Crawler Endurance Challenge, an overnight time based event with 4 and 12 hour solo and 12 hour relay options. Finish with volunteer made hot breakfast and awards in central Wyoming.
A last man standing race on a 1.1 mile loop in Inkom, ID, with 240 ft of elevation gain per loop. Runners must complete each loop within 20 minutes and are removed if they do not return in time.
A 100 mile mountain ultramarathon north of Durango, Colorado featuring roughly 19,000 feet of climbing and a 38 hour cutoff. The high alpine course follows the Colorado Trail and reaches 12,438 feet with variable mountain weather.
A Spartan Trifecta weekend at Dillingham Ranch on the North Shore of Oahu offering races from 5K to 50K with obstacles, a kids race, a pre-race workshop, team entries, and a service member discount.
Test your endurance at Lincoln Park by completing as many two mile loops as possible within your chosen time window. This inclusive event features adult timed trials up to 18 hours alongside dedicated kids races.
Brave the summer heat and hills of rural Tennessee in this unique trail race supporting animal rescue. Choose your challenge from one to twenty-four hours on a repeating loop course. All proceeds benefit the Flying Pigs Animal Sanctuary, an..
A backyard ultra at Camp 7 in Riverside State Park near Spokane with separate running and rucking races using repeated hourly loops. The last person standing format determines a winner in each discipline after a final solo loop.
A mountain trail race in Alta, Utah covering 7.1 miles and about 2,545 ft of vertical gain, capped at 500 runners. The route climbs to Mt Baldy with aid stations and marked alpine terrain.