Trail Running Calendar United States 2026-2027

A timed trail ultra in Cumberland RI offering 8 hour, 12 hour, and 34 hour options for individuals and teams up to four. The 4.2 mile loop mixes smooth trail and moderately technical rocky sections.

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.