Trail Running Calendar United States 2026-2027

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.

The Haystack Mountain Challenge on October 4, 2026, features a 5K, 10K and a half marathon across Barbour Woods and Haystack Mountain, with steep climbs, private trail sections, a cupless policy, water stations and on site refreshments.

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.

Run or walk the trails at Pohick Bay Regional Park on October 4, 2026, with in-person 5K and 10K options plus several virtual entry choices and tiered registration fees.

Trail races in Albuquerque on October 4, 2026 with 15K, 10K and 5K options, scenic views of the Rio Grande Valley and Sandia foothills, finisher medals for 10K and 5K, event shirts, and age group and overall awards.

A coffee-themed, untimed fun run at Case Creek Trails on October 4, 2026, offering 2K and 5K routes, hot drinks and aid stations. The event raises funds for the local animal shelter and includes optional swag and finish tokens.

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.

On October 4, 2026 the Highlander Heavy Half in Cold Spring, NY is a 13.7 mile trail race with roughly 4,000 ft of elevation gain through the Hudson Highlands. A portion of proceeds supports the 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.

Haunted Heroes in Valencia on October 4, 2026 offers 5k, 10k, 15k and a half marathon on looped trails with aid stations each loop; registration includes a finisher medal and free photos.

Run a scored 5K race through the scenic trails and varied terrain of Van Cortlandt Park. This Bronx event features divisions for all adults and free youth races for ages 2 to 18.

The Fright and Flight will take place in Lakeland on Sunday 4 October 2026. You can run 5 kilometers.

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.

A community trail day at McKaig Nature Center featuring a chip-timed 5K, a one-mile Monkey Rock Miler, a free kids race, a chili cook-off, event shirts for timely registrants, and awards across multiple age groups.

Jungle Escape is a trail running event at Jungle Habitat in West Milford NJ on October 4, 2026. Routes include a 13.2 mile half marathon plus, a 6.6 mile 10K plus and a 3.4 mile 5K plus with marked trails and cupless aid stations.

Trail race at Heritage Park in Adrian, Michigan offering a 50K and a half marathon with aid stations, finishers' medals, shirts, awards, and volunteer support.