Trail Running Calendar United States 2026-2027

A 4-mile trail race through Irvington Woods on October 4, 2026, starting and finishing at the Irvington High School campus; rain or shine.

A fundraising event at North Cross School featuring a chip-timed cross-country 5K, a non-timed 5K walk, and a 0.8 mile kids fun run with participation medals and youth leaders from the school team.

Mountain trail race at Camelback Resort on October 4, 2026, run on a 2.5 mile loop with just under 900 ft of climb per loop. Options include 2.5, 5, 10 miles, a 10 mile team relay, ruck division and chip timing.

A fall trail race day in Norfolk, CT offering 5K, 10K and a half marathon with steep climbs, private-trail sections, a cupless policy with water stations, and on-site food and beverage vendors.

A 3.1 mile trail race at the Great Swamp Conservancy habitat center in Canastota NY on October 4, 2026. The course runs on natural trails and crosses a country road; registration opens July 15 and the fee is $20.

In-person 5 km and 10 km races plus multiple virtual options at Pohick Bay Regional Park on October 4, 2026; walkers are welcome.

Trail races of 15K, 10K and 5K in Albuquerque on October 4, 2026 with city and Sandia foothill views, shirts, medals, and age-group awards.

Coffee-themed 2K and 5K fun run at Case Creek Trails with on-course coffee stations, post-run hot drinks, optional swag, and proceeds supporting the local animal shelter.

A community memorial run and family day at Riverstone Park in Coeur d’Alene honoring babies and children who died suddenly and unexpectedly. The event features a scenic 2.5 mile course, memorial signs, a remembrance ceremony, and a silent a..

Trail running at Tibbetts Field in Madbury includes a 5K and a 1 mile fun run over natural terrain through Powder Major Forest, with proceeds supporting youth recreation scholarships.

A 5K run and fitness walk at Highland Park in Attleboro on October 4 2026. The traffic free grass course uses two laps of a 1.55 mile loop and includes a kids 100 yard dash plus a virtual 5K option.

Trail races at Houghton's Pond in the DCR Blue Hills Reservation follow rolling dirt roads and forest paths with rocks and roots. Two distances are offered, about 7 miles and 3.7 miles, with notable elevation change on each course.

District 19 in Anacostia on October 4, 2026 is a run crew led, unsanctioned road and trail event offering 5K, 19K and 19 Mile options with course markers, corral seeding, and a shirt, snack, and medal for finishers.

Trail half-marathon in Cold Spring NY on October 4, 2026 featuring 13.7 miles and 4,000 ft of gain through the Hudson Highlands; proceeds support NYNJTC.

The ABWR Half Marathon - Valencia will take place in Santa Clarita on Sunday 4 October 2026. You can run between 5 and 13 miles.

A fall trail 5K in Winona Forest that supports Friends Forever Animal Rescue, featuring an all-off-pavement course, on-site timing, awards, a post-race BBQ, and the option to add a donation during registration.

Halloween themed 5k, 10k, 15k and half marathon at West Creek Park in Valencia on October 4 with looped courses, aid stations, medals and race day registration.

A scored 5K cross country race at Van Cortlandt Park in the Bronx on October 4, 2026 with live app tracking and on site awards.

A charity 5K at Hyde Lake Pavilion in Shelby Farms Park supporting Dorothy Day House with a kids run and awards for top male and female finishers.

A community 5K and 2 Mile Walk at Garrett Mountain on October 11, 2026, with virtual and Tot Trot options; proceeds benefit the Fred Torres Memorial Scholarship Fund supporting Clifton High School athletes.