Explore the best trail runs in the United States for 2026-2027! Our updated list features 4204 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
Experience an intense mountain trail race at Swain Ski Resort featuring 2500 feet of elevation gain across two loops. This USATF Niagara Championship event tests runners with steep ski slope climbs and rapid descents.
Experience a three mile obstacle course at Three Palms Action Sports Park in Conroe. Participants jump and crawl through mud and ropes while navigating walls and monkey bars in this outdoor event.
Experience an obstacle course with over a dozen mud pits at the 508 INTL Adventure Sports Center. Enjoy a non competitive environment featuring music, food, and a festive atmosphere for both participants and spectators.
Last Herron Standing Backyard Ultra in Kalispell runs across August 1–2, 2026 and features a last person standing format on a 4.167 mile loop. Events include solo, team relay for 2 to 4 runners, and a kids fun run.
A multi-loop trail marathon near Soda Springs, CA covering about 26.4 miles and 4,300 ft of gain across Royal Gorge land, with a central aid station, solo and relay options, parking at Soda Springs Ski Resort, and shuttle service to the aid..
A free 5K loop for kids 12 and under in Wellsboro PA on August 1, 2026, featuring over 750 feet of elevation gain, two small stream crossings, onsite guides and a provided lunch.
The Great Sandbagger 8K features a unique race format based on predicted finish times. Runners start in staggered order, and the first to cross the line wins a traveling trophy. The certified 8K course starts at the McBaine Katy Trailhead.
An overnight 10-hour trail ultra in Lafayette on a 3.8-mile loop with single track, gravel and boardwalk. The cupless course has one aid station passed twice per lap and requires each runner to carry a light and hydration.
A Last Runner Standing backyard ultra on a family farm in Glenmont, OH with trails through old growth timber and prairie. Free camping and parking are available near the start and finish.
This 10k walk/run explores the trails of Kettle Moraine State Forest in Wisconsin. It's a cup-less event with water refills and snacks provided. A portion of donations supports The Salvation Army.
An 11-mile asphalt trail race on the Douglas State Trail in Oronoco, Minnesota, marking the event's 50th anniversary and offering a race gift plus post-race refreshments and watermelon.
Support the Milan cross country team at the Indian Trails 5K in Indiana. This community fundraiser features both running and walking options for participants of all backgrounds.
This charity 5K run and walk supports Talon Lopez, a 10-year-old with an anoxic brain injury. The event offers in-person and virtual options, plus a free run for kids 12 and under. It takes place at River Front Park in Brandenburg, Kentucky..
A loop-based ultra at Tamaques Park offering 3, 6, 9, 12 and 24 hour events on 0.8-mile loops, with support crews allowed, an on-site aid station, and a fundraising option that can secure a full refund for $500 raised.