Trail Running Calendar United States 2026-2027

A trail running event at Rocky Branch Park with on-site and virtual 5K and 10K options; timing uses bib chips, participants receive a branded T-shirt and sticker, and proceeds support the Pancreatic Cancer Action Network.

A trail running event in Girdwood, Alaska on October 3, 2026, offering a full marathon, half marathon, juniors half and a 5K. The course uses local trails, features five aid stations, and raises funds for the Girdwood Nordic Ski Club.

WQMX 5KAY is the 8th annual 5K run with a one mile walk option at Rufener Hilltop Farms in Mogadore on October 3, 2026. Net proceeds support WQMX Bosom Buddies and age group medals are awarded.

Trail-based five mile race and two mile fun walk at Camp Innabah in Spring City, PA on October 3, 2026. Proceeds support summer camping programs and scholarships, with a pancake breakfast and awards for overall and age groups.

The Camp 4 Coffee Cart to Cart Trail Race will take place in Crested Butte on Saturday 3 October 2026. You can run between 10 and 19 miles.

A multi-distance road and trail event at Tom Triplett Park on October 3, 2026, with races from a 1 mile fun run to a half marathon and a 10K memorial ruck. The event donates part of registrations to the Effingham Navigators and includes med..

A fall trail event at Lapham Peak State Forest featuring timed 5K and 10K runs, accessible walk options, and a free 1K Smokey Bear run for children age 10 and under; participant shirts, awards, and post-event treats are included.

Two trail routes around Indian Lake County Park in Cross Plains, Wisconsin feature wetlands, forested slopes, and a section of the Ice Age Trail. The event is cup free and includes post-race music, food, and awards.

The John Holmes Trail Run takes place at Croom Park and Withlacoochee State Forest on October 3, 2026, offering 50K, 16 mile and 9 mile options. The field is limited to 250 runners and this is the event's 34th running.

An endurance event in Prince William Forest Park on October 3, 2026, featuring a 6.5 mile figure eight loop with a 30 km option, a 12 hour format, and a two person relay. The course is fully on trail with two aid stations and limited to 100..

A six hour timed trail event at Brady's Run Park on a 2.1 mile loop featuring steep opening climbs, ridgeline single track and technical switchback descents. Open to solo runners and two person relay teams with awards for top finishers.

A trail event at Dorothy Pecaut Nature Center in Sioux City on October 3, 2026. It features a 5 Mile trail run, hike or ruck plus a kids 1k, marked trails, notable elevation gain, and age group awards.

Trail running through Fenn Valley vineyards on October 3, 2026, with a timed, challenging 5K and an untimed 1 mile course amid harvest sights and smells.

Love Yourself First Masquerade 5K is an in-person and virtual run and walk on October 3, 2026 in Missouri City, TX. The themed event focuses on domestic violence awareness, solidarity, and creating a space for education and healing.

Test your endurance at this 24 hour event featuring a scenic 3.1 mile loop through rolling hills and forest trails. Enjoy full support with an extensive aid station and on site camping while supporting the Lions Bear Lake Blind Camp.

A trail 5K at Claude Moore Park in Sterling, VA on October 3, 2026, featuring forest and leaf-covered paths. The event is the fourth race in the Run Your PRCS Parks series and includes in-person and multiple virtual entry options.

A fundraising run on October 3, 2026 at Harborcreek Community Park in Erie, PA featuring a 5K and a 1 mile fun run walk to support the Haven 2 Home program; entry fees and race shirts are listed.

A six-hour trail challenge in Littleton where runners complete a 5K each hour for six hours, totaling 18 miles if completed. Trail terrain, hourly elimination, tiered patches and medals, and national leaderboard prizes highlight the format.

A community trail festival in Shippensburg offering a half marathon, 5k, hike, 25 mile bike ride and a free 1 mile fun run for kids, with proceeds supporting the Cumberland Valley Rails to Trails Council.

Trail races on the Brook Hill trails in Bullard, Texas offering 5K and 10K distances on October 3, 2026, with professionally marked courses and on-course support.