Trail Running Calendar United States 2026-2027

A Woodland Park trail event featuring 50k and 10k options on singletrack and forest roads with views of Pikes Peak, stocked aid stations, and crew access for the 50k.

Loop trail races in Shawnee State Forest on October 3, 2026, with 54 mile, 31 mile and 13.1 mile options, significant elevation gain, cupless aid stations and a remote wilderness section.

Timed endurance event in Cohoes, NY on Oct 3, 2026 with 1 hour, 3 hour and 6 hour solo and relay options supporting Flutters of Hope.

Multi-distance trail event at Lake Bistineau State Park featuring looped courses on park trails, staffed and unmanned aid stations, camping, swag, and awards.

Trail running and walk/hike options on the Deam Lake Loop in Borden, Indiana, with 5K and 10K courses, cupless aid stations using reusable cups, optional shirts, and wooden finisher medals.

A 5K and 10K trail run at Lake Crescent in Olympic National Park on October 3, 2026, with shuttle service and limited trailhead parking.

Mountain trail races on Mount Bachelor over October 3–4, 2026, including 6/12/24-hour summit loops and three looped courses. Chairlift use is included and multiple aid stations and lodge facilities support runners on alpine singletrack.

Experience an off road trail race through the Coconino National Forest at high altitude. Choose from a marathon, half marathon, or 10k while supporting local college cross country programs in the Arizona Nordic Village.

Weekend races in Waynesville MO with 5k, 10k and half marathon courses along the Roubidoux plus a combined Frog Hill Challenge medal.

A point-to-point trail marathon and 30K in Colorado’s North Fork Valley at peak fall color, with mountain climbs to Inter-Ocean Pass and proceeds funding summer camp scholarships.

Baker Lake 50k is a 50k running event on Saturday October 3, 2026 organized by NW Endurance Events. Registration closes October 2, the entry fee is $85 and a race shirt is available for $25.

An inaugural Backyard ultrarun in Loma Colorado with repeated 4.17 mile loops until one runner remains, distance buckles and crew support.

Multiple race distances run near the Royal Gorge Bridge, including a 5K road run, an 8 mile trail race and a 13.1 mile half marathon, plus a free kids Dinosaur Dash and a virtual race option.

Experience the scenic single track trails of Steamboat Springs during the Emerald Mountain Trail Run. Choose between the 4 mile or 12k distances through aspen groves to support the local Boys and Girls Club.

Explore the scenic trails and steep hills of Mirror Lake State Park with several distances available. Finish your race with refreshments and s'mores around a campfire while supporting local park projects.

Experience night trail running on the rolling grassy hills of Lake Elmo Park Reserve. Choose between 5k and 10k races or a 6 hour endurance shuffle on lit ski trails.

A multi-distance trail event in Prescott, AZ on October 3, 2026 offering 100 and 50 mile loops plus 10.72K and a new 6.66 mile fun run.

Trail races at Shawnee Mission Park offering 10M, 20M, 40M, and 50 Miler options with marked trails, cupless aid stations, and a backup course.

Trail races on the historic Bartram Trail near Franklin, NC offering 25K and 50K with significant elevation gain, aid stations, a 150 runner field limit, and an afternoon festival.

A last-person-standing backyard ultra on a flat 4.3 mile loop at Findlay Reservoir with self-support, live tracking, and camping the night before.