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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 4147 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!

September 2026
Experience two days of mountain endurance in Colorado with technical mountain bike and trail running races including a 50K ultra and the 100K Epic Double challenge.
Experience a grassroots trail event in Dixon featuring loop-based distances from 8 miles to a 100 miler on a mix of singletrack and meadow paths.
Trail ultras at Mt. Wilson in the Angeles National Forest offering 25K and 50K routes on technical single track with significant elevation gain and fully stocked aid stations.
A Shawnee festival celebrating the Buckeye Trail with a half marathon, 10K, 5K, a 10-mile hike and backpacking activities in Wayne National Forest.
A high altitude trail half marathon near Telluride on September 26, 2026, covering about 13 miles of mostly singletrack through aspen woods, finishing in town with stocked aid stations and required alpine gear.
Run a scenic point to point half marathon from Twin Lakes through the rolling hills of Bridgeport to support the local elementary school.
Trail races of 50K, 30K and 15K through Corriganville Park in Simi Valley on September 26, 2026 with multiple aid stations and a charity contribution.
A nonprofit runner built mountain ultra in New Mexico climbing to 11,301 feet with about 7,000 feet of elevation change, varied trails, and stocked aid stations.
Run through the scenic trails of Turkey Creek Nature Preserve in a 5k or 10k race featuring a waterfall finish and a post race pancake breakfast.
Trail races of 30K and 50K through Wyoming's Northern Red Desert, from Whitehorse Creek Overlook to historic South Pass City on Wyoming Public Lands Day.
Obstacle course event at Washington Grizzly Stadium with 3k, 5k, 10k, kids and All Abilities races plus team competition.
Rump Roast Run in Minocqua features a 1 mile kids run, a 5K and a 10K along Lake Minocqua and the Bearskin State Trail. The races take place with the Beef-A-Rama festival, including live music, food vendors and a beer garden.
A 3.1 mile trail 5K at Kill Creek Park with age group awards, packet pick up at two locations, bib rules, and separate adult, youth, and series entry fees.
Trail race at Lookout Pass, ID on September 26, 2026 offering marathon, half and 10K on the scenic Route of the Hiawatha with historic train tunnels.
Big Woods Run in Faribault, MN on September 26, 2026 offers a half marathon, 10k, 5k and a kids fun run with tiered registration fees.
Trail trail races around La Veta and Cuchara offering three distances, scenic Spanish Peaks views, and a festival finish at the Cuchara Yacht Club with beer and live music.
Trail Fest in Arundel offers 5k, 10k and half marathon courses on the ACT and Eastern Trails, with medals, shirts, a kids bike race, live music and food.
A community-supported, student-powered running event in Belmont on September 26, 2026, offering 5K, 10K, kids' and Fido mile options plus a virtual run.
A USATF-certified 5K trail run starting at Sandhills Community College and winding through Southern Pines Reservoir Park with official timing and awards.
5K9 Dog Jog in Cary, NC on September 26, 2026 offers in person and virtual 5K options with vendors, dog activities, participant shirts, and race awards.
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