Trail Running Calendar United States 2026-2027

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.

A multi-race weekend in Waynesville, MO offering 5k, 10k and half marathon courses that finish at Waynesville Park, riverside fall scenery, and an optional multi-race 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.

Grand Valley Backyard Ultra is a last-person-standing trail event near Fruita, Colorado where runners complete repeated 4.167 mile loops with one hour to finish each loop until only one runner completes an extra lap.

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.

Saddles 100 in Prescott AZ on October 3 2026 includes 100 and 50 mile loops, a 10.72K, and a new 6.66 mile fun run around Willow Lake. The course runs clockwise this year and the 50 mile route skips the dells section.

Tale of Two Trails is a trail event at Shawnee Mission Park offering 10, 20, 40 and 50 mile options. Courses mix runnable and technical singletrack, use cupless aid stations, and operate within park time limits.

A trail race in Franklin NC on October 3, 2026 offering 25K and 50K routes on the Bartram Trail to Wayah Bald, multiple aid stations, a field limit of 150, and post-race music, food and awards.

Backyard Ultra at Findlay Reservoir on October 3, 2026. Runners repeat a 4.3 mile loop each hour until one person finishes alone; the event is self supported and includes professional timing, ankle and bib tags, live results and a live stre..

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..

An annual 3.1 mile run and walk at the Warrick Humane Society in Newburgh, featuring timed and un-timed 5K options, pet-friendly participation, awards for top finishers, and donation-linked merchandise.

A community outdoor event on October 3, 2026 offering a 5K run and a muck walk on varied terrain, plus food, live music, activities, and accessibility options, with proceeds supporting Willistown land preservation.

A last person standing trail ultra on a 3.5 mile forest loop in Center Conway, NH, open to all ages and abilities. The event includes a minimal midway aid station, camping option Friday, food on Saturday, awards and participant swag.

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.