Trail Running Calendar United States 2026-2027

The Camp Winona Mud Fest will take place in De Leon Springs on Saturday 26 September 2026. You can run 3 miles.

Trail races at Moore Park near Klamath Falls on Sep 26, 2026, with 30K, half marathon, and a technical 5K. Courses are mostly single-track with views of Upper Klamath Lake and Mt. Shasta; the event is run by a local nonprofit.

A trail event at Vandenberg Space Force Base on September 26, 2026 offering 10 km and 20 km distances. Non-base participants must show a REAL ID for base entry and all finishers receive a medal and a drink ticket.

A trail run and walk at Terry Bison Ranch near Cheyenne on September 26, 2026, featuring prairie and buffalo trails plus a short rocky incline. Distances range from a kids run to a half marathon and proceeds support cardiac and pulmonary re..

A five-race cross country series in Portland parks with separate men’s and women’s races, options for non-binary entrants, race distances of 5K 6K and 8K, and both series and individual registration fees.

A 30 minute run or walk up Mt. Hoy at Blackwell Forest Preserve on September 26, 2026. Entry fees support Bridge Communities to house a family for two years while they work toward self sufficiency.

Trail races at Caesar Creek State Park on September 26, 2026, including a half marathon, 10K, 5K, 20K relay, and a 6-hours event. Entries include a custom bib, fueling supplies, a medal, and timed results.

A multi duration trail event at Richard Bong State Recreation Area on Sep 26, 2026. Options include 3, 6, 12 and 24 hour formats, with both a Backyard 24 loop and a continuous 24 hour Ultra available.

The Morgan Hill Trail Races will take place in Fabius on Sunday 27 September 2026.

A trail event at Ascutney Outdoors offering 50 mile and 50K ultra runs, team relays, mountain bike races and kids fun races. Proceeds support Vermont Adaptive and registration details are published for the 2026 race weekend.

An all-trail event on the Moosup Valley State Park Trail in Moosup, CT offering 5K, 8K, 10K and a free Kids Fun Run with post-race shirts or medallions and food at Weidele's; proceeds benefit a local Rotary charity.

Experience the natural beauty of Lexington at the Raven 10K Trail Run. Run or walk through grassy fields and primitive trails at the Raven Run Nature Sanctuary or join the event virtually from any location.

A community 5K on September 27, 2026 in Dolgeville along the Greenway Trail. Registration has a $25 fee with children under 12 free; proceeds fund free sports equipment for local youth.

A themed race day at Draper Park with options from a kids dash to a chip timed half marathon, a costume contest with prizes, age group awards, volunteer roles, and mixed surface park and greenbelt courses.

Trail races at Orion Oaks County Park on September 27, 2026, include a two loop half marathon, a 5K, a capped 5K doggie division, and virtual options with the same race swag.

Experience the beauty of RB Winter State Park with a half marathon or four mile trail race. Enjoy a community atmosphere with post race food and music while supporting local organizations.

A high alpine 50k near Mount Princeton in Nathrop, Colorado, featuring 7,000 ft of climbing and a 13,100 ft high point. The course follows Chalk Creek Canyon and the Colorado Trail through ponderosa and aspen forests to an alpine plateau.

Trail running in shaded redwood forest at Sanborn County Park on September 27 2026, with 10K, half marathon and 50K options; steep singletrack, shuttle parking, chip timing and specific mandatory gear for the 50K.

A trail ultramarathon on September 27, 2026 in Freeport ME using a roughly 5 mile loop repeated for 10, 6, or 2 laps. The route is all dirt trails with bridges, stairs, and roots and has a single aid area at the start and finish.

A themed run in Long Beach on September 27 with Half Marathon, 10K, 5K, a family mile and kids dash, ocean views, chip timing and a pizza themed finish line festival.