Trail Running Calendar United States 2026-2027

Sky To Summit is a two-day trail race in Sky Valley, Georgia on October 24-25, 2026, featuring a 50K with 7,500 ft gain and 11 hour cutoff and a 25K with 3,500 ft gain and 5.5 hour cutoff. Event materials include maps, aid charts, and a run..

Experience a Halloween themed trail race through the scenic woods of North Park. Choose between the 6.66K or 13K distances and enjoy a festive atmosphere in Allison Park.

Experience the peak of autumn foliage at the Chippewa Creek Challenge in the Brecksville Reservation. Run a half marathon trail course through the heart of the Cleveland Metroparks amidst vibrant fall colors.

Andy's Backyard Ultra is a last person standing ultra at Teventrails in Earlysville, VA where runners complete a 4.17 mile loop each hour. The final finisher is the runner who completes one more lap than all other entrants.

Trail runs at Shaffer Bend Recreation Area through rolling hills and golden meadows, with multiple distances and proceeds supporting HKRS Cedar Park youth programs.

An elimination style endurance race in Lumberton TX on Oct 24, 2026 featuring repeated 4 mile loops, aid stations, and proceeds supporting organizations that recover missing children.

Trail runs in San Felasco Hammock Preserve State Park near Alachua FL offering 25K and 50K loop courses with staffed aid stations and proceeds benefiting Friends of San Felasco.

A remote, unmarked backcountry foot race at Oxbow Reservoir, CA with three unassisted route options from about 15 to 43+ miles.

A trail ultramarathon at Red Gate Woods near Chicago offering 25K and 50K on a clockwise single track loop of about 5.5 miles, with staffed aid stations, course maps, and no pacers allowed.

Trail ultramarathon in Patapsco Valley State Park offering 50k and 25k options, in-person and virtual, with aid stations, event shirt, and finisher awards.

October trail festival at Little Pine State Park with a demanding 25K of 5,000 plus feet vertical and a 10K of about 1,000 feet on technical trails.

Trail races in Allegany State Park offering 50 miles 50 km and 25 km on looped trails with aid stations and time cutoffs.

Join a community trail race through the diverse terrain of Wompatuck State Park. Choose between a ten mile loop or a 50K distance on a course featuring rail trails and single track paths.

Late October trail races at Lake Murray State Park near Ardmore, OK offering 100 Mile, 100K, 50K, 25K and 5 Mile courses with cupless aid stations and varied terrain.

Trail and virtual races on Mackinac Island on October 24, 2026, including a half marathon and 5.7 mile options. Registration runs December 14, 2025 to March 31, 2026 and a $55 fee is listed.

Battle Born Trail Run at Cathedral Gorge State Park on October 24, 2026 offers four trail distances including a new 18.64 mile course. Routes are marked on dirt trails with aid stations, custom finisher medals, and a virtual option.

Test your endurance on the historic grounds of a former WWII training facility in South Carolina. Choose between 50k, 25k, or 8 mile technical trail courses at the rugged Croft State Park.

A zombie themed 5K in Midway, Utah on October 24, 2026, with chasing zombies, action obstacles, fog, lighting, and sound effects. Open to ages 12 and up with adult supervision required for ages 12 to 16; $2 per ticket supports Primary Child..

A women's only trail event at Rocky Hill Ranch on October 24, 2026 offering multiple distances from 5 km to 100 km, plus a 100 km relay, full aid stations, cupless fueling, camping, and finisher awards including buckles for 50 km and 100 km..

A fall trail event at Grills Preserve in Westerly with 10 mile and 10 km courses across single-track trails and riverfront sections. Club timing is used, orange clothing is required, and post-race refreshments are provided.