Explore the best trail runs in the United States for 2026-2027! Our updated list features 3980 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
A 15K trail race at Montana Snowbowl with a 4.65 mile climb to Grizzly Chair, a 4.65 mile single-track descent on Beargrass Highway, 2,150 ft of elevation gain, chip timing, and a field capped at 250 participants.
Trail ultraruns at Crystal Springs Recreation Area near Wytheville VA feature multiple timed options, technical loop trails with significant elevation, a limited no-frills Leftovers Option, cupless aid stations and required shuttle parking.
An eight hour track race at Clapp Park in Pittsfield, MA on a certified .355 mile loop with chip timing, bottle drop aid, age group awards, and proceeds benefiting the AYJ Fund. A virtual option may be available.
A mud and obstacle 5K at Lost Lake Entertainment Complex in Oklahoma City on August 8, 2026, featuring walls, ropes, monkey bars and 11 plus other obstacles, plus pre and post race festival areas and multiple registration packages.
Run The Skyline is a trail running event on August 8, 2026 offering multiple race distances from a half marathon up to 55K. It features separate race pages, a registration option, and an entrants list.
A time based trail event at Skyline Wilderness Park in Napa on August 8, 2026 where runners cover as much distance as possible in three, six, or twelve hour formats. Main loops are 4.16 miles with roughly 815 feet of elevation per lap; the..
Follow the path of a historic outlaw on this mostly downhill point to point race. Run through the Sawtooth National Forest on a mix of rugged jeep trails and ten miles of single track forest paths.
A loop ultrarunning event at Kennekuk Cove County Park with 3.25 mile laps, aid stations, camping, shirts and swag bags, and four hour and eight hour runner and walker options. Field limited to 250 participants.