Explore the best trail runs in the United States for 2026-2027! Our updated list features 4037 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
A 12-hour trail endurance run on a measured five-mile loop near Reading PA, with individual and relay divisions, distance-based awards, aid stations and on-site amenities.
The 61st Mt Baldy Run to the Top on September 7, 2026 is a fundraising mountain trail race in the Angeles National Forest covering about 7 miles with 4,000 feet of ascent to the 10,064 foot summit, with proceeds aiding local services.
A Labor Day 5K cross country event at Brebeuf High School where each registrant joins a charity team and $15 of every entry supports the selected charity. Virtual participation and event jerseys are available.
Evening 10K trail run in Elmwood, Nebraska set during a full Harvest Moon on the Mopac Trail. Several registration options are available including in person, lottery, virtual, and charity entries.
A roughly 5K trail race at Dover Park in Billings, Montana, serving as the final race of the Free 3 series. The course runs on dirt trails, includes park views, and a potluck follows; the event is free for Yellowstone Rim Runners.
A point-to-point *100 Miler* across the central Wasatch Mountains from East Mountain Wilderness Park near Kaysville to Soldier Hollow, featuring about 24,000 feet of ascent and 15 aid stations.
A Last Man Standing race in Eagle, Idaho where competitors repeat a 4.167 mile loop each hour until one lasts longer than the rest. A 3 Loop Challenge is available and certain distances count toward Idaho Trail series jackets.
A 24 hour 10K loops challenge at Moraine State Park near Portersville PA on September 11 to 12, 2026, where runners stack as many almost 10K laps as they can on a loop with about 723 feet of vertical gain.