Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4002 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A chip timed 5K run and walk along Danville's Riverwalk Trail on October 17, 2026, with awards by gun time and youth pricing.

A community fundraiser in Garland featuring a chip timed 5K, a 1 mile fun run and a virtual option supporting clean water and schools in Sierra Leone.

Loop-based races at Livingston Memorial Oval include timed runs, a marathon, a half marathon, and a Last Person Standing event on 0.44-mile laps.

Trail running event in Allison Park, PA on October 17, 2026 with 5 miles, 25K and a Little Monsters run over wooded, hilly trails and pace-grouped entries with separate fees.

A community 5K at Sequoia Park on October 17, 2026 where runners may bring dogs. Proceeds support the Sequoia Humane Society and the event features a raffle and adoption opportunities.

Trail runs of 5K and 10K on Gunstock Ranch in Kahuku, Hawaii, routed through ranch land and native forest with lookout views; student and military discounts are available and a race t shirt is guaranteed for registrations by September 25.

A community 5K trail race and 1 mile fun run at Tamaqua Area High School with shirts, awards for 5K finishers, and proceeds funding a memorial scholarship.

A community event at Assateague State Park offering a 2 mile walk or 5K run to support the Macky & Pam Stansell House of Coastal Hospice.

The Finish Strong 5K Fun Run will take place in Groveport on Saturday 17 October 2026. You can run 5 kilometers.

A 10 hour trail event in Cape Girardeau, MO with a 50K option on 1.5 mile loops and a separate 5K, with entry fees donated to charity.

Timed 3 hour and 6 hour loop trail event at Osprey Park in Sultan, WA on a 1.06 mi dirt single track with minimal elevation and an aid station.

A 10 mile race at Fort Huachuca on October 17, 2026, offering individual and team entries, commemorative T-shirts, and top-three recognition in each category.

Fall Run for the Wounded on Oct 18, 2026 features 5K, 10K and a half marathon through Prince William Forest Park with in-person and virtual options.

A technical trail event in Harriman State Park offering 13.1M and 10K on rugged singletrack with steep climbs, limited to 175 participants.

Trail races in Upper Bidwell Park featuring a 13.1 mile half marathon and a 4 mile hourly endurance challenge with creek crossings, single track trails, aid stations, bag check, bike valet, and reusable cup provision.

Trail and road events in Wellsville NY on October 18 2026 feature distances from 2 miles to 25 kilometers plus a virtual Home Edition. Courses include forest trails, steep climbs, aid stations and bus shuttles to trailheads.

A trail running event in October at Hahamongna Watershed Park offering 5K, 10K and a hilly half marathon across mixed single track and fire roads.

A trail event on October 18, 2026 in Letchworth State Park covering about 20.5 miles for both runners and hikers, with two aid stations, elapsed-time cutoffs, a shuttle to the start, participant caps, and post-event food and finisher shirts..

Trail marathon and 12 mile races at Fort Mountain State Park on October 18, 2026, featuring roughly 5,500 feet of climbing across single track, rocky and mixed use trails and a summit stone wall with fall mountain views.

Dirt Circus Dallas in Flower Mound, TX on October 18, 2026 features a community 5K, an expo with vendors, and a raffle alongside local running partners.

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