Trail Running Calendar United States 2026-2027

Experience a historic re-enactment through the rugged trails of Missouri Headwaters State Park. This unique 7.5 mile run features deep mud, river crossings, and wild Montana terrain for a limited field of 300 participants.

The 7th annual Erik Gray Challenge at Southview Trails in Cedar City on September 19, 2026 features a 5k, a 1 mile, a kids race, and a virtual 5k. The event raises funds for a local person with cancer and includes a raffle.

A 5k trail run at YMCA Camp Manitou-Lin in Middleville, Michigan, featuring single track, fields, and gravel roads as part of Dirtfest Weekend. Completing this run plus two other Dirty Mitten events earns a commemorative piece of swag.

Run through the forested trails of West Branch State Park on the newly designated Buckeye State Trail section. Choose between a full marathon half marathon or 10k while exploring oak forests and lakefront views in Ohio.

A trail race in Golden, CO featuring a 10-mile North Table Loop with bonus miles and a 5-mile route on Lithic Trail and Fairmount Canal Loop. Organized by BeyondHome to support families moving from homelessness to self-sufficiency.

A 100-mile mountain ultramarathon held September 19-20, 2026, starting and finishing at Jug Mountain Ranch near McCall, Idaho, following the SUPERCOURSE used 2020-2025. Trail use is permitted by the Payette National Forest and Idaho Departm..

A September trail race in the Wasatch Mountains that runs through aspens and fall colors, offering 10K, 25K and 50K distances with singletrack, technical climbs and alpine views. The event is a UTMB Index race.

Multi-distance timed trail event at Panther Creek State Park with a 2.9 mile loop, relay and ruck divisions, on-site aid and Base Camp camping.

Kiwanis River Run in Fresno presents multiple trail and fun-run distances along the San Joaquin River while supporting the Pediatric Trauma Injury Prevention Program at Valley Children's Hospital. The event includes participant shirts, meda..

A 13.3 mile mountain race from Manitou Springs to the 14,115 foot summit of Pikes Peak, gaining about 7,800 feet on the historic Barr Trail. The 2026 Ascent uses wave placement based on estimated times and invites elite competitors.

The Final Countdown Tribute at Amani Brewing in Martinsburg WV uses a 1.33 mile loop where allowed lap time shortens each circuit, eliminating runners until one remains.

A cross country 5k at Alderbrook Golf Course in Tillamook on September 19, 2026. The course runs mostly on shortly clipped fairways and is described as championship style and fast.

A community 5K trail race in Hooksett that runs from Heads Pond trail through wooded conservation land to the Hooksett Public Library. A separate 0.5 mile kids fun run is available and proceeds support local youth programs.

Trail event at Seven Bends State Park with a roughly 10 mile mixed terrain loop and distances from 10 mile to 100 mile plus a Last Man Standing Ruck. The event uses sequential cutoffs, has specific pacer rules, and aid station drop procedur..

Evening trail races at South Llano River State Park offering 5k through 40 mile options plus a 13 mile ruck. Trails are rocky and hilly; headlamps and a 32 oz water carrying system are required.

An evening trail event in Topanga's Red Rock Canyon featuring a 10k with significant vertical and a non timed 4.5 mile Hiker's Delight. The event includes aid stations, a beer garden for 21 plus, vegan tacos, sports massage and awards.

Run for conservation at the Ned Smith Center with a choice between a 5k creek-side trail or a 700-foot mountain climb followed by a festival with live music and local beer.

Rocky Ridge is a trail running event at Las Trampas Wilderness in San Ramon, California on September 19, 2026. It features a half marathon plus 10K and 5K courses with uphill trail sections and scenic vistas.

A community run/walk on September 19, 2026 at Stone Mad Pub in Cleveland featuring a chip timed 5K and a 1 mile walk, with age group awards, event T shirts, food, and a post race beer for those 21 and over.

IM ABLE Games in Reading, PA features multiple running distances, an obstacle Kaaginator Fitness Challenge, trifecta options and adaptive divisions for athletes with physical or intellectual and developmental disabilities.