Explore the best trail runs in the United States for 2026-2027! Our updated list features 4091 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
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.
A 20K trail race at Bridger Bowl with technical single track and cupless aid stations, a four hour cut off, chip timing, a race shirt and catered lunch; packet pickup is available the day before and race morning.
Trail race on June 27, 2026 in Chapman, Oregon with 5K, 10K and half marathon courses from Ruley Trailhead. Chip timed event with packet pickup the day before and shuttles from Scappoose High School to the trailhead.
Mud Factor returns to Eugene MX Park on June 27, 2026 with a 5K obstacle run offering Kidz Family and adult waves, required signed waivers, and spectator festival access with a $10 cash admission for adults.
A three-race trail series at Sunlight Mountain Resort in Glenwood Springs from June to September 2026, featuring 5k, 10k and a half marathon. Each event has specific bib pickup, registration rules, and course support details.