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 free kids trail event in North Bend, PA for ages 12 or under with a flagged course of about 2.75 miles, volunteers, an aid station, and an after race lunch. The festival is part of the Rocksylvania Kids Trail Series.
A 50K endurance race along the scenic Denali Highway on June 21, 2026, limited to 50 runners. The course runs from Maclaren Summit to Alpine Creek Lodge with one aid station and a nine hour cutoff; crews and pacers are permitted.
Experience a point to point mountain marathon on the Foy's to Blacktail Trail system in Montana. This limited entry event supports local trail maintenance and features a scenic course through wildlife habitat.
Experience a 3.6 mile trail run at French Park featuring meadows and multiple creek crossings. This fourth leg of the Dirt Days Trail Series offers age graded awards and random door prizes in a picturesque Cincinnati park.
A community 5K run and walk through Wildwood Metropark in Toledo raising funds for Metroparks Toledo. Organized by Dave's Running Shop, registration runs Nov 24, 2025 to Apr 28, 2026 with a $30 fee.
An 80s themed, un-timed 1 mile boardwalk run at Plyler Park in Myrtle Beach on June 21, 2026, with in-person and virtual options. Participants receive event swag and food from Moe Moon's and may enter an 80s costume raffle; the event partne..
A trail half marathon in Lynn Woods Reservation on June 21, 2026, run as three identical loops over forested singletrack and carriage roads. The event emphasizes environmental stewardship and uses a centralized start and finish at the main..
A summer and early fall series of four half marathons and a 25K across Colorado in 2026, with options to enter three, four, or all five events; races include Estes Park, Georgetown to Idaho Springs, Mt Sneffels, Ned Ned, and Lead King Loop.
Muddy Princess Boston is a women only 5K obstacle mud run at Kimball Farm in Haverhill on June 21, 2026. The course has 18 plus obstacles and is open to women aged 7 and up who may run, jog or walk.
Experience a scenic 5 mile trail run through Lancaster County Central Park featuring grass paths and water crossings. Compete for age group awards and enjoy a post race prize raffle in a beautiful natural setting.
Field & Forest 5 Miler is a roughly 5 mile trail race on the Crystal Spring property in Brunswick, ME. The mostly off pavement course has single track and wood bridges, and the field is limited to 50 runners.
Three one mile races on track, grass and road at a single venue in Clark, New Jersey. Each mile is timed separately and cumulative times decide overall scoring, with two hours allotted to complete all three.
A trail 5 km race at Libby Hill Forest Trails in Gray, ME on June 21, 2026. Online registration is $15 through June 19, race day registration is $20 and students enter free. Proceeds support trail maintenance and door prize drawings are pla..