Trail Running Calendar United States 2026-2027

A community 5K, 10K and one mile on the LaVilla Link and S Line Rail Trail supporting Groundwork Jacksonville.

Experience the extensive single track trails of the Boise Foothills in this premier trail event. Runners can choose between 50 mile, 50K, and 27K distances starting from Fort Boise.

A 5K trail race at Goddard Park in Warwick, RI on September 26, 2026, over fields and wooded trails along Greenwich Bay with onsite parking and age-group awards.

A two-day trail and bike event in Estes Park featuring 31-mile bike and run options, a 15-mile heavy half, and a 62-mile duathlon, with rugged trails, significant climbs, and aid stations supporting competitors.

A multi-loop trail event in Dixon IL using a roughly 7.85 mile loop with distances from 8 miles to 100 miles across singletrack, meadow, and gravel surfaces.

25K and 50K trail ultras on Mt. Wilson in the Angeles National Forest, featuring technical single track, regular aid stations, and significant elevation gain.

A high altitude trail half marathon near Telluride on September 26, 2026, covering about 13 miles of mostly singletrack through aspen woods, finishing in town with stocked aid stations and required alpine gear.

A point-to-point half marathon at Twin Lakes near Bridgeport, CA, featuring mountain elevations, three aid stations, shuttle service, and proceeds benefiting Bridgeport Elementary School.

Trail race in Simi Valley on Sept 26, 2026 offering 50K, 30K and 15K courses through Rocky Peak, Las Lljas and Tapo Canyon.

Nonprofit, runner built Mt. Taylor 50K near Grants, NM on Sept 26, 2026, climbs to 11,301 ft with about 7,000 ft elevation change and staffed aid stations.

Trail 10K and 5K at Turkey Creek Nature Preserve in Pinson, AL with a capped field, pancake breakfast and optional waterfall tubing finish.

Run the Red Desert is a trail race on September 26, 2026 in Wyoming’s Northern Red Desert offering 30K and 50K courses from Whitehorse Creek to South Pass City. It coincides with Wyoming Public Lands Day and highlights conservation of the l..

Obstacle course races at Washington Grizzly Stadium in Missoula on September 26, 2026 offer 3k, 5k, a double 10k, kids and All Abilities categories. Teams and spectators are included and net proceeds support Opportunity Resources Inc.

Rump Roast Run in Minocqua features a 1 mile kids run, a 5K and a 10K along Lake Minocqua and the Bearskin State Trail. The races take place with the Beef-A-Rama festival, including live music, food vendors and a beer garden.

A trail 5K at Kill Creek Park with separate youth and standard entries, packet pick-up in Shawnee and Olathe, and age-group awards for top finishers.

Trail races on September 26, 2026 near Taft, Montana along the Route of the Hiawatha. Distances include 26.2 miles, 13.1 miles and 10K, with a virtual option and varying entry fees.

Big Woods Run in Faribault, Minnesota features a half marathon, 10K and 5K on a mixed roads and cross-country course near Big Woods State Park during peak fall color, with homemade cookies and soup provided for participants.

Trail trail races around La Veta and Cuchara offering three distances, scenic Spanish Peaks views, and a festival finish at the Cuchara Yacht Club with beer and live music.

Trail races in Arundel, ME on September 26, 2026 featuring 5K, 10K and half marathon courses on the ACT and Eastern Trail plus a kids bike race.

Community supported run in Belmont offering 5K, 10K, a kids mile, a Fido mile for dogs, and a virtual option with shirts and medals for most participants.