Explore the best trail runs in the United States for 2026-2027! Our updated list features 4084 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
A timed stair-climb at T-Mobile Park with full and half routes, held September 16, 2026, that raises funds for the Cystic Fibrosis Foundation and includes age and fundraising requirements.
A multi-distance trail festival in the Shenandoah Valley with technical mountain courses through national forest. Distances range from 21K to 100M and the event offers qualification routes for UTMB World Series Finals and Western States.
Three evening 5k trail races in Ogden on the Bonneville Shoreline Trail, presented by the Trails Foundation of Northern Utah. Registration supports trail maintenance, fields are capped at 75 per race, and awards are given each event.
Alternating one hour legs of 4.2 miles between Belleville Community Park and Dot's Tavern form a last person standing race. The weekend also features 24 hour and 48 hour races on the same loop with distance buckles and prize pots.
A 100 mile trail ultramarathon in Ogden, Utah on September 18, 2026, featuring roughly 101.5 miles, about 96% singletrack and over 22,000 feet of ascent. Live Garmin In Reach tracking is provided and the course includes a short 1.5 mile car..
A community fundraiser at Goose Island Campground in Stoddard, WI offering timed 6 and 24 hour running and walking. Participants set their own goals, from a single loop to more than 100 miles in 24 hours.
Multi-day timed ultras at Shortsville Reindeer Farm on a one mile grass and trail loop. Multiple timed options, an on-course aid barn, and belt buckles for finishers who complete 100 loops; proceeds support ROCovery Fitness.
A loop elimination race at Smith Ranch on a 4.18 mile dirt course where runners repeat the loop each hour until one remains, carrying their own aid; the final runner receives a custom western style trophy buckle.
A multi-distance running event held each September at Wright-Patterson Air Force Base and the National Museum of the U.S. Air Force, with in-person and virtual race options, an expo, a pasta dinner and a finish line festival.
Mile Madness is a looped trail event in Auburn, California held September 18-21, 2026, with timed races from six hour up to 72 hour and a 100 mile option. The 0.85 mile loop includes stocked aid stations, relays, massage, and buckle awards.
An endurance festival in Moorhead with timed three, six, twelve and twenty four hour run and ruck events. Laps use a five mile loop with aid station support, finishers awards, and buckles for 100 mile runs or 100k rucks.
An evening 5K series at Arizona Falls with three monthly races that support Child Crisis Arizona. Live events are chip timed with age group awards and raffle prizes, plus a virtual option with collectible medals.