Explore the best trail runs in the United States for 2026-2027! Our updated list features 4197 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
An eight hour track ultramarathon at Clapp Park in Pittsfield, MA, run on a certified 0.355 mile dirt and cinder loop with lap counting, midrace direction change, bottle drop aid station, awards, and proceeds benefiting the AYJ Fund.
A six-person relay of about 81 miles near La Grande, Oregon on August 8, 2026, featuring riverside highway sections, 20+ miles of gravel mountain roads, climbs to about 7,400 feet and roughly 6,000 feet of elevation gain.
A race day at Third Winchester Battlefield on August 8, 2026 offering 5K, 10K, and half marathon distances plus virtual options and tiered registration fees; walkers are welcome and courses pass through battlefield scenery.
An obstacle and mud-focused *5K* at Lost Lake Entertainment Complex in Oklahoma City on August 8, 2026 featuring mud pits, walls, ropes and monkey bars, pre-race and post-race festival areas, packet pickup options, and venue parking fees.
Trail races in Eden, UT offering a half marathon, 30K, marathon and 55K on rough single-track ridgelines with up to about 7,000 ft of climbing.
A time based trail event at Skyline Wilderness Park in Napa offering 12 hour, 6 hour and 3 hour formats on a 4.16 mile loop with 815 feet of elevation per lap; chip timed and cupless with aid at start/finish.
A point to point trail run about 1.4 miles longer than a half marathon, mostly downhill from Diamondfield Jack Campground to Third Fork Campground. Field capped at 200 runners with one aid station and recommended personal hydration.
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.
A trail running event through redwood forests near Gilroy with 5K, 10K, and half marathon options featuring large elevation gains and scholarship fundraising for youth trail running camps.
Timed trail event in Chester, Vermont on August 8, 2026 offering six and twelve hour options on a 1.8 mile loop with 280 feet of elevation per lap. Basic aid and shared food are available and the event supports local recovery and recreation..