Explore the best trail runs in the United States for 2026-2027! Our updated list features 4242 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 loop trail race at Montana Snowbowl with 4.65 miles of climbing and 4.65 miles of descending, 2,150 feet of elevation change, chip timing, small field cap, and a post-race lunch and beverage at the base area.
Trail-loop ultraruns at Crystal Springs Recreation Area featuring timed 12-hour, 6-hour and 3-hour options on technical, hilly trails; shuttle parking is required and runners must carry their own cup or bottle.
An eight hour track endurance event at Clapp Park in Pittsfield, MA featuring a certified 0.355 mile loop, chip timing with live leaderboard, on-course bottle drop and age group awards. Proceeds support the AYJ Fund.
A six person relay near La Grande, Oregon covering about 80.6 miles with roughly 6,000 feet of climbing. The course follows old Highway 244, includes long gravel mountain road sections and finishes with a trail leg at a ski resort.
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, Utah on Aug 8, 2026 offering 55K, marathon, 30K and half marathon routes with mostly rough single track, ridge sections, ice and significant elevation gain.
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.