Trail Running Calendar United States 2026-2027

A last-person-standing event at Findlay Reservoir where runners complete repeated 4.3 mile loops each hour until one runner finishes a loop alone. The race is self supported with professional timing and live coverage.

A 50 kilometer trail ultramarathon on October 3, 2026 in Kattskill bay, NY, starting and finishing at Camp Chingachgook with about 9,000 feet of climbing across multiple Lake George peaks. Prior ultra-trail experience is required.

A community event at Forest Ridge Preserve featuring a chip timed 5K and a 1.5 mile self guided hike through the Chagrin River valley. Proceeds support the Moreland Hills Parks Commission and registrants by September 20 receive a commemorat..

Run-a-Muck in Newtown Square, PA features a 5K and a 1.5-mile mucker with family activities and proceeds supporting Willistown land conservation.

Last person standing trail ultra in Center Conway, NH on a 3.5 mile forest loop with camping, meals, swag and a beer mile the following day.

Experience a point to point trail race along the Superior Hiking Trail in Duluth. Choose from four supported distances that feature old growth forests and waterfalls before finishing at the Fitger Courtyard near Lake Superior.

Experience the beauty of Northwest Montana with a variety of trail races ranging from a family fun run to a technical 50k ultramarathon. Run through scenic forests and lakes while supporting the local trail system.

A farm based obstacle course at Heim's Hillcrest Dairy in Algoma covers about 1.5 miles with tasks such as feeding calves and climbing over hay bales. Registration opens July 1 with an early price of $20 until September 1.

Experience the RAF Trail Race Series at Coopers Rock State Park with distances from 5K to 50K. Support a meaningful cause while enjoying looping trail courses and a vibrant community atmosphere in West Virginia.

A rugged half marathon hike and run on the Ozark Trail near Middle Brook, Missouri. The route covers about thirteen miles of rocky, technical terrain with notable elevation change and limited on‑course support.

A multi-distance trail event in Ebensburg, PA offering marathon, 15 miler, 5k, adaptive 5k, a casual 26.2 mile bike ride and a light Couch Potato 0.0k.

A 5K fall trail run and walk at Ryan Park in North Kingstown on October 3, 2026, benefiting the North Kingstown Firefighters Association. Registrations before September 14 include a race day t shirt and top finishers receive medals.

Experience a community cross country race at the scenic Nicholls Farm in Thibodaux. Run a 3200m grass course alongside student athletes and enjoy post race awards and festivities at the Nicholls XC Invitational.

9.1 miles to the Mt San Antonio summit with 3,926 ft vertical gain on steep, exposed mountain trails; course capped at 500 entrants in Angeles National Forest.

A canicross and trail event on October 3, 2026 in Gordonsville, VA offering competitive 10K and 5K races, a 1.25 mile sprint, a casual dog friendly 5K, and a virtual 5K, with technical trails, three water stations, and a Finisher's Festival..

Autumn Leaf Run is a 5K trail event at Oakdale Nature Preserve in Freeport on 10/03/2026. The looped course crosses prairies, creek and wooded trails and raises funds for park improvements through the Freeport Parks Foundation.

Run the historic Colonel Robert Sink Trail on Currahee Mountain. This event features unpaved uphill courses through the training grounds of WWII paratroopers with options for a 5K walk/run or a 10K mountain run.

Test your stamina in Dayton at this 12 hour endurance event. Run or ruck across a flat 2.7 mile loop consisting of grass and trail double track to earn your finisher medal.

Experience the wooded trails of North Ottawa Dunes in this community trail run featuring 10K and 5K courses. Finishers receive a unique locally grown pumpkin medal to support local charitable organizations.

A 5K trail run and walk in Lowell on October 3, 2026 supporting music therapy and campus stewardship, with live music along a mostly unpaved route and age group awards.