Explore the best trail runs in the United States for 2026-2027! Our updated list features 4141 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
Powder Keg at Carter Park in Kings Mills, Ohio on August 22, 2026 features a roughly 3.5 mile trail loop along the Little Miami River with an old road, an old dam, and a stair climb. Online registration only, fee $23.50.
Test your endurance at this unique trail race in Tully where the coin toss determines your path. Complete as many loops as possible in three hours while alternating directions to stay on your toes.
Trail races in Arrowhead, Colorado on August 22, 2026 include a 13.3 mile half marathon with 2,844 ft of climbing and a mostly downhill 5.6K. Courses run mostly on single track and finish at Arrowhead Village with awards and post race food.
A trail event at Monte Sano State Park in Huntsville offering 10K and half marathon distances as part of the Wild Thangs Trail Series. The race includes aid stations, a cupless policy, finisher awards, and a 400-runner cap.
Trail races of 10K, half marathon and 30K through Henry Cowell Redwoods State Park with single track, sand ridge and river crossings. Aid stations are spaced every five to six miles and the event is cupless.
A day of looped trail events at Comlara near Hudson, IL, with timed options from one hour to twelve hours, a relay race, and an open course option. Runners complete roughly four mile loops and must return each hour to continue.
A map-based navigation event in Fillmore and Japantown on August 22, 2026 where individuals or teams of up to five follow a custom map to 20 to 30 checkpoints across 5K and 10K courses, then enjoy refreshments at the finish.
Dog Days ULTRA in Missoula, Montana runs August 22-23, 2026 and features timed solo events plus a 24 hour relay. Registration runs March 9 to July 9, with fees listed per event.
A 4 mile open time trial on the single track trails of Schenectady Central Park with individually timed laps. All proceeds go to Hive of Hope, a community organization supporting recovery through connection and movement.
The Double Dipsea is a longstanding annual 13.7 mile trail race from Stinson Beach to Mill Valley and back, run on mostly single track with many stairs and handicapped starts that create frequent passing among runners.
A 12 hour trail event at Saunder Springs Nature Preserve in Radcliff, Kentucky, offering solo, two person, and four person team options on a loop course that mixes technical and runnable trail with waterfalls and creekside sections.
World Relief Durham's third Run for Refugees 5K is on August 22, 2026 at Miracle Park in Durham. Paid entries include a shirt and professional timing, and children age 5 and under may participate free with an adult.