Trail Running Calendar United States 2026-2027

First annual 5K on October 10, 2026 at North Clackamas Park Complex in Milwaukie on a flat mostly paved course with proceeds supporting local nonprofits.

Family friendly inflatable fun run in Goddard with two laps through 11 giant obstacles called Airmageddon; registration includes an event shirt and finisher medal.

Trail races in Nevada City on October 11 2026 include a 13.1 miles half marathon, a 10K and a 5K with mixed terrain, aid stations and views along Deer Creek. Organized by Sierra TrailBlazers and Bear Yuba Land Trust.

Trail running at Mohawk Mountain Ski Area with 5K, 10K, half and marathon routes on ski slopes and state forest, cupless aid stations and finisher medals.

Point to point trail races on the Bizz Johnson Trail in Lassen National Forest featuring a USATF certified Boston qualifier marathon, a 50K, an Express half and a 10K with remote starts and aid stations.

A single-loop trail half marathon through five parks in lower Westchester County, New Rochelle. Most of the course is on dirt and wooded trails and passes through areas with visible wildlife.

On October 11, 2026 the HFC Striders Cross Country Festival returns to Wayland for its 20th running, featuring 3K youth races across age groups and two 5K open races, with awards and proceeds benefiting Wayland High School.

A fall trail run at Lake Elmo Park Reserve with 10K, 5K, a kids fun run and a double up option. Aid stations are provided, leashed dogs are welcome, and the day concludes with a bonfire and pancake breakfast.

Experience a unique trail event at Milkhouse Brewery in Mount Airy featuring a 5 mile race and timed ultra challenges. Complete as many loops as possible over four or eight hours on this scenic farm course.

Trail runs and a 1-mile walk at Fox Hill Nature Preserve on 10/11/2026, held to support conservation in the Cedar Lakes region; varied distances include 5K, 10K, a 1-mile walk, and a Kiddos 1K.

Experience the beauty of Western Maryland at Rocky Gap State Park with 25K and 50K trail races. Run solo or join a relay team to navigate three distinct loops featuring scenic lake views and ridge traverses.

A rugged trail race at Pawtuckaway State Park featuring technical terrain, boulders, streams and a rocky climb. It offers a half marathon and a 5 mile option and lists $7500 in prize money for 2026.

A mountain trail event near Wellsboro, PA with 15K, 25K and 50K courses through Tioga State Forest, rugged terrain and staffed aid stations. The event includes post race food, shirts, socks and finisher medals.

A Halloween themed race day in Lewis Center with distances from a 50 m kids dash to a half marathon, plus a virtual option, chip timing, awards, free photos, and event swag for most distances.

A 5K trail run/walk in Powers, Michigan on October 11, 2026, held on wooded trails to raise funds for people in the mountains of Honduras; registration runs Jan 13 to Oct 10 with a $40 fee.

Spooky Sprint in Indianapolis on October 11 2026 offers races from a 50 m kids dash to a half marathon plus a virtual option. The event includes race swag, chip timing for timed races, free photos and finish-line treats.

Mud Factor Lubbock is a 5k mud and obstacle run at TNT Raceway on October 11, 2026, with adult and KIDZ family waves; waivers and photo ID are required.

Trail-distance options on a 6.75-mile single-track loop through hardwood forest near Meriden KS, with a technical rocky surface, staffed start/finish aid, and limited water at remote stations.

A community trail event on October 11, 2026 at Bretton Woods Recreation Center in Darnestown, MD offering a 5K trail run and a 1 mile walk. The event raises funds and awareness for addiction prevention, education, and support.

A community 5K and 1 mile fun run on October 11, 2026 supporting Unified programs at Beckwith and Dighton Middle Schools. Fees vary by registration period and registered runners receive T-shirts and awards for top finishers.