Explore the best trail runs in the United States for 2026-2027! Our updated list features 3938 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 looped endurance event at Brooksvale Park in Hamden CT. Runners complete 3.1 mile loops with about 300 feet of gain and aid at each loop, with proceeds supporting local trail maintenance.
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 37 mile point to point road ultra from Port Mayaca to Stuart Beach in Canal Point, Florida with solo and relay options. The race highlights discharge from Lake Okeechobee into the St Lucie River and finishes on the beach.
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.
InHouse Ultra is a last one standing treadmill competition for 33 athletes held inside Run Unlimited and Twenty One Run. Competitors run five miles every hour and must complete each set to stay in the race.
Night Owl 9k at Freedom Park in Williamsburg VA is a mixed-surface trail race with single track, fire road and paved sections, rolling hills and technical terrain. Walkers are welcome and all finishers receive medals.
Operation HAYSTACK is a half marathon in Nederland, Colorado on June 27, 2026. The course covers 13.1 miles with 4,226 ft of elevation gain and the listed entry price is $105 plus tax.
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 weekend of Spartan obstacle races at Carter and Stevens Farm in Barre MA featuring a 5 km Sprint with 20 obstacles and a 10 km Super with 25 obstacles. The program also includes a kids race and an obstacle workshop.