Explore the best trail runs in the United States for 2026-2027! Our updated list features 4138 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
A high-elevation trail run at Pajarito Mountain near Los Alamos, NM, with a route just under 10K that climbs to above 10,200 feet and about 1,350 feet of gain. The marked course includes a summit aid station and allows hikers.
A chip timed 5K trail run at Salamonie Lake with wooded, gently rolling trails, a participant pancake breakfast, and fresh sweet corn for sale. Proceeds support Friends of the Upper Wabash Interpretive Services.
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.
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 navigation event in Fillmore and Japantown where solo runners or teams of up to five use a 1:7500 custom map to find checkpoints on 5K or 10K courses, then enjoy snacks and socializing 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.