Trail Running Calendar United States 2026-2027

A timed 5K trail run at Piedmont Farm Animal Refuge on October 10, 2026 featuring three gravel loops through fields and forests and a family Fun Run to the future pig habitat.

A two day trail event at John Bryan State Park on October 10 and 11, 2026 featuring half marathons, 10K and 5K races, a 20K relay, and a six hour timed event. A Pack Pass provides entry to all 2026 events.

Community run at PLU Meadows Disc Golf Course offering a 1K kids run and a 5K. Proceeds support local youth running programs and a college scholarship.

A loop trail half marathon in Bountiful, Utah on October 10, 2026, that runs up North Canyon and down Mueller Park Trail. The route includes single track through pines, a five hour time cap, and amenities such as a wood burned medal and shu..

The The Daisy 104 will take place in Castle Rock from Saturday 10 October 2026 to Sunday 11 October 2026. You can run between 3 and 104 miles.

An off road run at Holiday Valley Resort in Ellicottville on October 10, 2026, with 4 mile and 8 mile options. Entry is limited and Ellicottville Brewing will provide after race refreshments.

A community 5K run and walk on the Five Star Trail in Greensburg, PA, held October 10, 2026, with a mostly flat course and proceeds supporting a memorial scholarship fund for local Christian education.

A 6 kilometer cross country race on the GE Vernova campus in Greenville SC featuring mixed surfaces and a closed course. Participants receive socks and age group awards; corporate shield team selection is required at registration.

An informal, no-fee 45 mile loop around Flagstaff that requires self-navigation with a GPX file. Participants must bring assigned food or drink contributions and be prepared to carry most of their own supplies.

Trail race in Lynchburg featuring a 13.1 mile half marathon and a 3.1 mile 5K at Hydaway Outdoor Center, with awards, finisher prizes, and race shirts.

Community 5K and a 0.5 mile youth run at Pitney Meadows Community Farm on October 10, 2026. The mixed surface, spectator friendly course runs on grass and stone dust and raises funds for the farm's programs.

A ranch based 5K near Wheatland WY over pavement, gravel, two track and pasture terrain with proceeds supporting the Marge Cares Foundation and Wheatland Cross Country Team.

A community-hosted 5K run or walk at Wild River State Park in Center City, Minnesota, held each year on the second Saturday in October. Registration opens in July and the course may change depending on trail conditions.

A community 5K and 1 mile walk in Flower Mound supporting WINNING THE FIGHT, offering chip timing, age group awards, T shirt distribution, and pre race packet pickup.

An annual 5K road and trail run in Macon, Georgia on October 10, 2026 supporting the Masonic Home of Georgia. The entry-level course crosses tree-covered rolling hills on the campus and includes a commemorative race t-shirt.

Annual mud run in San Bernardino with a 5K for individuals and teams and a 1K kids race on October 10, 2026.

A community 5K at Duke Island Park on October 10, 2026, run on a flat, paved trail alongside the Raritan River. Proceeds support Family & Community Services of Somerset County, which provides mental health and addiction services.

A one-day trail running festival at Bluff Creek Park offering 5K to 50K distances on singletrack trails with aid stations and finisher medals.

Experience a scenic 5K run on the historic carriage roads of Rockefeller State Park Preserve. Support trail maintenance while enjoying autumn views of Swan Lake and rolling pastures.

Trail 5K and 10K at Chino Hills State Park on October 10, 2026. Registration runs April 6 to August 15 and includes race photos, a shirt and a finisher patch.