Explore the best trail runs in the United States for 2026-2027! Our updated list features 4105 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
Mile Madness is a looped trail event in Auburn, California held September 18-21, 2026, with timed races from six hour up to 72 hour and a 100 mile option. The 0.85 mile loop includes stocked aid stations, relays, massage, and buckle awards.
An endurance festival in Moorhead with timed three, six, twelve and twenty four hour run and ruck events. Laps use a five mile loop with aid station support, finishers awards, and buckles for 100 mile runs or 100k rucks.
Three Friday evening 5K races at AZ Falls on 8/21, 9/18 and 10/16 with chip timing, age group awards, raffle prizes and collectible desert medals. The series raises funds for Child Crisis Arizona and includes a virtual option.
Savage Race Georgia Fall on September 19, 2026 in Dallas, Georgia offers two obstacle course options: a three plus mile Blitz with 15 to 20 obstacles and a five to seven mile main race with 25 or more obstacles. Parking is $20 at the gate.
A weekend of multi-distance Spartan obstacle racing at Killington Ski Resort set on steep slopes and rugged Green Mountain terrain. Events include Sprint, Beast, Ultra and a kids race with spectator access and published pricing examples.
A Spartan obstacle race weekend near Monroe, Washington featuring Sprint, Super, Beast, kids races, a workshop, and a Hurricane Heat event across forested trails and narrow paths.
Road Atlanta Trail Run is an event at Road Atlanta organized by Dirty Spokes Productions. The organizer runs off road cycling adventures and offers custom bike builds.
A 13-mile mountain trail run in Ouray, Colorado that starts and ends at Fellin Park and benefits the Ouray School. The event features aid stations, limited cup supply, optional shirts, and awards for top finishers.
A 50K and a half marathon near Sisters Oregon with routes that showcase views of the Three Sisters and other Cascade peaks. The 50K reaches the Three Sisters Wilderness edge while the half marathon is point to point with a net downhill.
A Backyard Ultra in West Point, Iowa with repeated 4.167 mile loops through Pollmiller Lake Park. Runners complete hourly loops until one runner remains while support and limited aid are available on site.
A multi-race trail festival at Lakeside Park in Pawling, NY offering timed 24, 12 day, 12 night, 6 and 3 hour events on an about 1.68 mile loop with on-course aid, music, and finisher medals.
Cirque Series at Crystal Mountain is a 7.9 mile trail race with 2,614 feet of vertical gain on September 19, 2026. Sport, Expert and Pro divisions offer prizes and series points, and timing is by disposable bib chip.