Explore the best trail runs in the United States for 2026-2027! Our updated list features 4161 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
An obstacle course backyard ultra where athletes run an approximately 3 miles loop every hour until one remains. Solo and relay formats are available, with a 50 mile solo option and team relays for groups of three to six.
A 12-hour timed loop event in Hamden, CT on a 4.25 mile course with 500 feet of gain per loop. Options include marathon, 50K, and 50 mile attempts, with proceeds supporting the Brooksvale Gift Fund.
A backyard ultra on the paved Lake Estes trail where runners complete 4.252 mile loops each hour until one runner finishes a loop alone. The event records yards for DNFs and offers on-site aid and athlete village space.
A point to point road event of about 37 miles from Port Mayaca to Stuart Beach in South Florida, highlighting water discharge from Lake Okeechobee. Relay options are available and aid stations are spaced along the route.
A mud-run fundraiser in King George, VA on June 27, 2026, featuring a 4-mile obstacle course and a 1-mile kids run, organized by the Dahlgren Lions Club with team awards by group size.
A runner-built 4.5 mile loop ultra in a reclaimed limestone quarry offering 6 and 12 hour solo or relay options plus a single 4.5 mile trail run, two aid stations with Tailwind, and support for local youth track programs.
A community trail run and walk around Jordan Lake starting and finishing at Lakewood Middle School, featuring a 5K route, age group awards, and packet pickup at the Lake Odessa Fair with race day pickup available.
An indoor, last-one-standing treadmill endurance event limited to 33 athletes; competitors run 5 miles each hour until only one remains, with a recovery zone, temperature control, rotating music, and limited spectator space.
Night Owl 9k at Freedom Park in Williamsburg VA is a night trail race over single track, fire road and paved trails with rolling hills and technical sections. Post race activities include pizza, beer and wildlife education.
Experience a half marathon in the mountains of Nederland Colorado. This event features a significant elevation gain of 4226 feet with the summit always in view.
A ruck style trail event at Crystal Mountain Resort on June 27, 2026, offering three distances with a 20 lb dry load and elevation gains listed up to 5,629 ft.
A 10 miles out-and-back event at Smith Mountain Cooperative Wildlife Management Area in Sandy Level, Virginia on June 27, 2026. Three load options are available: LIGHT 10 pounds, STANDARD 25 pounds, and HEAVY 50 pounds.
A Spartan obstacle race weekend at Carter & Stevens Farm in Barre, MA, featuring a Sprint 5 km with 20 obstacles, a Super 10 km with 25 obstacles, and kids races. The farm venue includes mud, woods, rolling hills and a farm store.