Explore the best trail runs in the United States for 2026-2027! Our updated list features 4197 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
Tough Mudder Twin Cities on June 27, 2026 at Wild Wings of Oneka in Hugo, MN offers 5K and 15K obstacle courses plus an Infinity option for stacked chip timed laps. Spectator passes, group packages, and volunteer opportunities are available..
A 5K trail race in the Blue Mountains of southeast Washington, running from Boundary Trailhead along the North South Trail to Rose Springs SnoPark. A shuttle from Pomeroy High School is included and all finishers receive shirts and medals.
An overnight 50-mile loop race at Hoover Sports Park East where runners complete twenty 2.5-mile laps. A central aid station serves each lap, pacers are allowed, and finishers within 16 hours receive a custom belt buckle.
SISU 24 PNW at Camp Sheppard near Mount Rainier mixes self-supported trail running with 24 hour solo and team formats plus an optional 100 Mile route. Six marked trails, a points system with side quests, and weekend camping are included.
The Western States Endurance Run is the world’s oldest 100 mile trail race, covering 100.2 miles from Olympic Valley to Auburn with more than 18,000 ft climbed and nearly 23,000 ft descended.
A mostly off-trail mountain traverse near Silverton, CO—about 50 km with 19,000 ft ascent, unmarked navigation, limited support, and entry limited to qualified Sky Pilots members with a 19-hour cutoff.
A trail race near Issaquah, WA offering 50K, half marathon, 5 mile and kids races on Tiger Mountain trails, with steep climbs, aid stations, and shared-use trails.
Test your endurance at Riverside Farm with a 24 hour challenge in the Green Mountains of Vermont. Complete as many 2 mile loops as possible while navigating 970 feet of elevation gain per lap.
The Independence Double offers a no-frills running experience over two days in Winter Park, Florida. Choose from five distances each day on a flat, shaded loop course. Expect a casual, hand-timed event with a focus on community and low entr..
A lap-based 100-mile trail event at Roosevelt Forest in Stratford, CT, with a 33-hour cutoff and a field limited to 50 runners. The course features New England single and double track, a single pavilion aid station, and pacer rules.
A multi-distance trail event at Willow Creek State Recreation Area in Pierce, Nebraska, offering 50 mile, 50K, marathon, and half marathon options with camping, race swag, on-course aid, and finisher medals.
War-X Trilogy Weekend in Bloomfield Township Ohio runs June 27-28 2026 and combines a 1.5 mile mission-style Battle Challenge, a 3k speed course and multiple race distances. The course features water slides, long monkey bars, a live fire ra..
Experience a mountain run at Killington Resort featuring 3,010 feet of vertical gain over 8.2 miles. Runners summit three peaks and tackle a steep 45 percent grade climb before finishing at the K1 base area.