Trail Running Calendar United States 2026-2027

A last man standing race on a 1.1 mile loop in Inkom, ID, with 240 ft of elevation gain per loop. Runners must complete each loop within 20 minutes and are removed if they do not return in time.

A 100 mile mountain ultramarathon north of Durango, Colorado featuring roughly 19,000 feet of climbing and a 38 hour cutoff. The high alpine course follows the Colorado Trail and reaches 12,438 feet with variable mountain weather.

A Spartan Trifecta weekend at Dillingham Ranch on the North Shore of Oahu offering races from 5K to 50K with obstacles, a kids race, a pre-race workshop, team entries, and a service member discount.

A timed endurance event at Lincoln Park on August 15, 2026, featuring a repeated two mile loop with 18, 12, 6, and 3 hour formats, team competition, and Kids Loopy Races. The race is cupless and supports on-course snacks and food options.

A mid-August trail running weekend in Grandview, Tennessee with looped races from one hour to 24 hours, free tent camping and a glamping auction; proceeds support Flying Pigs Sanctuary.

Trail races at Rocky Branch Park in Belmont, NC offer 50K, 25K, and 5K on a 3.24 miles loop with 293 feet gain per loop. Aid stations provide food and drink, trekking poles are allowed, and finishers receive handmade pottery medals.

A two day mountain trail running weekend at Mt Hood Meadows on August 15 and 16 2026, with alpine courses reaching 8,000 feet and distances from a 50 Miler to a free kids run. The 50K is the 2026 USATF 50K Trail National Championship.

All trail race at Patapsco Pickall Area offering 25K and 50K on rolling single track with technical sections and river crossings. Aid stations provide water Tailwind and real food and the finish includes shelter food and beer.

A Malibu Creek State Park trail event offering 25k, 50k and a three-loop 75k ultra with substantial climbing, multiple fully stocked aid stations, finisher medals and prize purses for top 50k finishers.

A backyard ultra at Camp 7 in Riverside State Park near Spokane with separate running and rucking races using repeated hourly loops. The last person standing format determines a winner in each discipline after a final solo loop.

A mountain trail race in Alta, Utah covering 7.1 miles and about 2,545 ft of vertical gain, capped at 500 runners. The route climbs to Mt Baldy with aid stations and marked alpine terrain.

A marathon and half marathon on August 15, 2026 at Lake Owen in the Medicine Bow National Forest. Routes run on the 21 mile Rail Trail at high elevation and support trail upkeep.

A trail ultramarathon in Columbus, GA offering 25K, 50K and 50 mile options along the Fall Line Trace and riverwalk. Aid stations serve Southern foods and field size is capped at 100 runners.

A multi-distance ultra in Waynesville, MO on August 15-16, 2026 that supports the OneSolePurpose shoe drive. Runners follow 10 mile out and back loops on packed gravel with aid stations, awards, and finisher items for longer distances.

A Scottish Highlander themed obstacle race in Pingree Grove, Illinois featuring 3K family, 5K and 15K heats with 20 to 30 obstacles, plus a torch lit night race and a haunted 5K. Spectator fee on-site is $10 and parking is free.

An obstacle and mud focused 5K at Village Creek Motocross Park on August 15, 2026, featuring mud pits, walls, ropes, monkey bars and 11+ obstacles. Registration options include Value and VIP packages, packet pickup is available the day befo..

Test your endurance at the Tuff Enuff Trail Run in Woodway Activity Park. Part of the Huaco Cuatro Series, this event offers scenic 5K and 10K courses alongside a flexible virtual option for all participants.

A two day trail race festival in the Olympic National Forest on August 15 and 16, 2026 offering 10K, 25K, 50K and 100K runs plus ruck divisions, marked courses, stocked aid stations and on site camping.

A community eight hour trail event of roughly 5K loops at Crandall's Park in Tolland, CT on August 15, 2026. The day includes a potluck, raffles per loop with prizes, and a 50th anniversary gift for runners who complete at least one loop.

Trail races on the Rim Trail near Cloudcroft, New Mexico, at about 8,600 feet, offering a 53K with a lollipop loop plus 9.5 mile, 4.75 mile and a 1 mile Kid's Dash, with multiple aid stations, drop bags and chip timing.