Trail Running Calendar United States 2026-2027

A looped trail event at Windstone Landing Farms offering 5k, 50k, 100k and 100 mile options with varied terrain, on-site camping, aid station service, and a course reversal feature.

A 2 mile event on 10/17/2026 in Fruita CO where participants pick a pumpkin included with entry then carry it across a course of fields, forests and hay bales.

Trail races of 5K, 10K, half marathon and marathon take place at Lake McMurtry East Pavilion in Stillwater on October 17, 2026. The event is chip timed and includes a finisher medal and a post race celebration with refreshments.

Trail races of 10K, 18K and 25K wind through Brighton Recreation Area singletrack, ridgelines, and lake shorelines in peak fall colors. The event features marked courses, aid stations, event shirts, finisher medals and a five hour cutoff.

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 through Sequoia Park’s redwoods where runners may bring their dogs; proceeds support Sequoia Humane Society and there will be adoption opportunities.

Trail races of 5 km and 10 km across Gunstock Ranchs 900 acre property with views of the Koʻolau mountains and the protected Hawaii Legacy Forest.

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.

Scenic road and trail running in Prince William Forest Park with 5K, 10K, half marathon and virtual options for runners and walkers.

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.