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Trail Running Calendar United States 2026-2027

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Explore the best trail runs in the United States for 2026-2027! Our updated list features 3943 exciting trail runs across the country. Find your next trail run in the United States below and join the trail community at these great events!

April 2027
A 24 hour trail race on an approximately 5 mile loop in Big Bear City with aid stations, crew access at basecamp, and a 100 mile Burro Hundred challenge.
Trail run at Richfield Heritage Preserve offering a chip-timed 5k and 1 mile, collectable shirt and medal, age-group awards, and an optional Super Goat Challenge.
May 2027
MoCo CARES Charity Race in Gaithersburg, MD features 10K and 5K cross country courses, a paved 1 mile fun run, and a kids Trike-A-Thon supporting Comfort Cases and Covenant Life School.
A last person standing endurance race in York, PA where runners repeat hourly loops until one remains. Entries include a designated parking and crew area, an event shirt, and a certified distance card.
A shaded, runnable 10K loop at Pleasant Ridge County Park with about 650 feet of rolling elevation per lap; the half runs the loop twice.
VCP 50K is a looped trail ultramarathon in Van Cortlandt Park on 01 May 2027. The 50K course starts with a flats lap then ten cross country loops, with stocked aid stations, drop bag access, finisher medal, singlet, meal and beer.
A two-day Spartan obstacle race weekend at McCormick Farms, May 1-2, 2027, offering Sprint, Super, Beast, Ultra and Kids races across forest, quarry and riverbank terrain.
A stadium 5 km with 20 obstacles at Raymond James Stadium in Tampa on May 1, 2027, plus a kids race and spectator access.
Obstacle course weekend at Meadow Wood Equestrian Center near Snohomish with Sprint 5 km 20 obstacles, Super 10 km 25 obstacles, and kids races on May 1 and 2, 2027.
Multi-race event at Lake of the Ozarks State Park featuring trail runs, a run and paddle traverse, aid stations, course cutoffs, and on-site awards.
Trail races at Greenland Open Space near Larkspur offer four dirt-trail distances with looped courses, aid stations, timing, and awards.
A repeated-loop elimination race in Gentry, AR where runners complete 1 mile loops with a 20 minute limit and the last remaining runner wins the pooled entry pot.
A 50K at Tuthill Park where runners complete a 0.31 mile loop 100 times with about 90 feet of climb per loop. Entry is by essay and all donations go to charities chosen by the winners.
Ascent only hiking in Patterson, MO where participants aim to climb Mudlick Mountain up to eight times, equal to 7,980 ft and about 23 miles within a 12 hour window.
Trail runs of 50 miles, 50K, 25K and 8 miles in Grayson Highlands State Park with noted elevation gain, cutoff times, and views of wild ponies.
A spring trail half marathon in Herriman, Utah, featuring single-track canyons, marked course, aid stations, post-race breakfast and free race photos.
A road and trail running event in Garden of the Gods Park on May 1, 2027 offering 5K, 5 mile, and a 9.5 mile option with closed roads, multiple aid stations, and views of the park's iconic rock formations.
Trail races at Donald County Park offering 5 km, 15 km and a Kids One Mile Fun Run with proceeds supporting Friends of Donald Park for trail maintenance.
Trail races at Echo Bluffs and Current River state parks with distances from a 1 mile youth run to a full trail marathon, featuring single-track sections, bluff views, rolling hills, and a cupless format.
Trail races and a ruck at Queeny Park organized by Rockinator Racing. Multiple loop formats, chip timing, aid station service, finishers medals and podium awards by age group.
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