Explore the best trail runs in the United States for 2026-2027! Our updated list features 4204 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
A 50 mile mountain ultramarathon in Ouray, Colorado with 23,582 feet of ascent on technical high elevation trails. Runners must meet a volunteer service requirement or pay a $100 opt-out; SPOT tracking and drug-tested cash prizes.
An endurance challenge on a 1.1 mile loop with 140 ft elevation per lap in Cleveland's Rocky River Reservation. Entry is donation based and proceeds are intended to help cancer patients.
A backyard ultra on a measured 4.167 mile loop at Oak Mountain State Park with about 500 feet of climb per lap. Competitors must finish each lap within one hour and the last runner to complete a full loop is declared the winner.
A steep 4.75 mile up and down run, hike, or walk on San Anselmo's Bald Hill that finishes downtown with live music and a t shirt. The third annual event benefits local nonprofits and includes town endorsement.
Trail races at Summit Bechtel Reserve in Oak Hill, WV include a 10K and half marathon on winding, technical summer trails. The event is part of a Spartan OCR festival weekend and uses gun time for results.
A scenic 10 km trail loop in Perkinsville Vermont that passes three dams and includes a low river crossing with a rope and lifeguard. Post-run refreshments and a nearby swimming hole are available at the finish.
Trail marathon and half marathon in Kennedy State Forest with age and gender based staggered starts including a nonbinary category. Courses use double out and back routes on rolling single track with significant elevation and aid stations e..
A mountain fundraiser in Stowe on August 30, 2026, featuring a 4.3 mile climb to Mt Mansfield for runners, hikers, and cyclists, plus a kids run, team options, donations, and event merchandise supporting the Catamount Trail Association.
A women-only 5K obstacle mud run in Charlotte on August 30, 2026, held at Porter Farms in Concord. The course features 18+ obstacles and welcomes participants aged 7 and older who may run, jog, or walk.
An out-and-back 3.8 mile run at Pen Mar Park with about 1.8 miles of ascent to High Rock Overlook. Held August 30, 2026, with registration deadlines and a higher fee on race day.
Experience a cross country race through Nottoway Park followed by a community picnic. This event features a three mile course and a kids fun run to celebrate the end of the summer season.
A PA/USATF cross country race of 3.4 miles at Spring Lake Regional Park in Santa Rosa on August 30, 2026. The 33rd annual Empire Open features rugged dirt trails, three races including a masters division, and a $1,500 prize purse for USATF..