Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4129 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A Stadion 5 km obstacle race at Angel Stadium of Anaheim on September 12, 2026, featuring 20 obstacles, a kids race and spectator access inside the ballpark. Ticketed entries and race day services are listed for participants and visitors.

An obstacle mud run at the Jerry Long Family YMCA with a 3.1-mile 5K for ages 7+ and a 1-mile Fun Run for all ages, supporting YMCA health programs and offering new medals for 2026.

Trail races of 10K and Half Marathon take place at Cane Creek Mountain Natural Area near Snow Camp NC. An optional 80 foot observation tower climb is offered at the end and non climbers receive a time penalty at an aid station.

Trail ultramarathon in Empire, Colorado on September 12, 2026 offering point to point 50K and 22K courses. High altitude routes reach over 13,000 feet and prior ultra or high altitude trail experience is required or recommended.

A backyard ultra in Richland, WA on September 12, 2026. Runners repeat a 4.16667 mile trail loop each hour until one person completes a final solo lap; those who reach 100 miles receive a custom belt buckle.

The Pine Creek Challenge is a trail run on the scenic Pine Creek Rail Trail in Pennsylvania's Pine Creek Gorge. Runners can choose from 100-mile, 100k, 50-mile, and marathon distances on an out-and-back course. The event starts and finishes..

A 12 hour trail run at Kings Mountain State Park in Clover, SC, on a 4.5 mile loop that uses marked trails and passes Lake Crawford and the Living History Farm. Aid station and drop bag access are available each loop and drinks are supplied..

Trail races on September 12, 2026 in Tilden and Wildcat Canyon near Berkeley, offering 10K, half, 35K and 50K with marked technical trails, aid stations every 5–7 miles, chip timing, and a cupless format.

A women's trail running event in Buena Vista, Colorado offering a Half Marathon and a 10k on mountain trails with views of the Collegiate Peaks and the Arkansas River. Organized by Trail Sisters to increase women’s participation in trail ru..

Oak Flats Picnic Trails in Tijeras, NM is a free, self supported looped trail event with distances from 5k to 30k on unmarked routes and a picnic table aid station. Dogs are welcome and registration on UltraSignUp is required.

A Backyard Ultra in Noblesville, Indiana on Sept 12, 2026 where runners repeat 4.167 mile loops each hour until one remains. The course combines a dirt and gravel park loop with a paved out and back.

Trail races through the Caney Fork and Scotts Gulf backcountry near Sparta, Tennessee, offering a 50 mile, a 25K run, and a 25K ruck, all starting and finishing at Camp Latimer with on-site tent and cabin lodging.

A multi-distance trail event near Cortland, NY on September 12, 2026, featuring 100 mile, 50 mile, 50K and a 100 mile relay. The route includes steep climbs, technical singletrack, planned course changes, and allowances for pacers and poles..

Trail races in Hocking Hills State Park on September 12 2026 feature five distances from 5K to 50K, mostly on trail through Old Man's Cave, Cedar Falls and Ash Cave, with GPX files and mapped distances provided.

A family-oriented mud run in Redding on September 12, 2026 featuring a course just under 5 km with obstacles, creek crossings, vendors, food, and children's activities. The event supports the Active 20-30 Club of Redding.

A self-navigated mountain ultramarathon around Roslyn, WA, featuring a 51.3-mile route with over 10,000 feet of climb, minimal aid, required satellite tracking, and finish verification by GPX and summit selfies.

A community wellness event at Sprague Brook County Park on September 12, 2026 featuring a 5K trail run and a 2 mile non timed walk, with proceeds supporting the Bread of Life Outreach Center and keepsake blankets for early registrants.

A multi hour loop running event in Gig Harbor offering 24 hour, 12 hour day, 12 hour night and 6 hour options on a 2 mile loop with about 320 feet of climb per lap and an open field aid station.

A night run on the Lake Mineral Wells Trailway near Weatherford offering 5K, 10K, a half marathon and a 10K ruck. The trail is gravel, a headlamp and a water carrying system are required.

A night trail event in Green Swamp near Dade City on September 12 2026 offering a half marathon and a half marathon ruck. The out and back course follows forest roads and the Florida Trail, with an aid station at the turnaround and a postra..

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