Trail Running Calendar United States 2026-2027

Camo & Cobwebs 5K and 1 Mile Fun Run/Walk on the Pinellas Trail in Dunedin, Florida supports Club-214 Land & Sea. The event features a timed 5K with awards, a family-friendly 1 Mile, a costume contest, and proceeds for veteran servi..

Trail races on Mount Diablo near Walnut Creek on October 17, 2026 offering 30K, Half Marathon, 10K and 5K with possible mud and creek crossings.

A 5 km desert trail run at Shangrai La Ranch in New River, Arizona, where nudity is encouraged but not required. Registration includes a day visit with pools, a café, clubhouse and game room, and the race is chip timed.

Sold out 20 mile loop hike at St. Croix State Park on Oct 17, 2026, with river views, aid stations every five to seven miles, and a finisher medal.

Mountain trail event on October 17, 2026 offering 50K, marathon, and half marathon options that climb to Cuyamaca Peak on single track trails, with substantial elevation change and GPX course files available.

An endurance event in Prescott, Arizona on October 17, 2026 offering 50 mile, 25 mile, half marathon and an intro ride with course maps, live tracking and awards.

Tough Mudder Nashville on October 17, 2026 at Neal Farms features 5K and 15K obstacle runs, an Infinity multi lap challenge, and a Mudder Village spectator experience.

A multi distance trail race at Palo Duro Canyon State Park on October 17, 2026 offering 25K, 50K and 50 mile options. The looped route runs over singletrack, sand and rock, features four stocked aid stations and a cupless policy.

A 9.4 mile out and back hill run in Reno with 3,018 ft of elevation gain reaching the summit of Peavine Peak and two aid stations along the route.

A limited access 100 percent trail 12 hour race and 7K in Chillicothe OH; the RunFluent Ohio Trail Series finale on Oct 17 2026.

An eight-hour loop race at Powhatan State Park on October 17, 2026 with solo, relay and Parent Loop options on an approximately 2.7-mile trail loop.

Trail race in Crystal Lake on single-track loops of about 5 and 10 miles, marked course, race shirt and finisher medals; cup-less event.

Timed 6 and 12 hour endurance runs on a USATF certified 1.17 mile paved loop at Minnie Ha Ha Park, cupless and chip timed with aid station and finishers medals.

Test your endurance at Nocturnal 12 a night-themed twelve hour fixed time race on a flat paved path. Walkers and runners can complete as many laps as they choose on this flexible out and back course.

An 18 and up elimination trail race at Sunset Mountain in Noel, Missouri, using repeated 0.86 mile laps every 12 minutes. Entry is limited and proceeds support Sunset Mountain.

A trail endurance event in Columbus, IN where runners complete a 5K every hour for six or twelve rounds, earning patches, medals, leaderboard placement and national prize money.

A muddy obstacle course in Hilo on October 17, 2026, at Lavaloha featuring up to 3 miles of running, crawling, wading, and changing obstacles.

National Sweetest Day at Nashotah Park on October 17, 2026 offers running, walking, and ruck events from a kids 1K to a half marathon. Entry fees vary and several events include post race treats.

Test your endurance at Malabar Farm State Park with a twelve hour night run. Participate solo or as a relay team on a scenic loop featuring pavement, gravel, and grass while supporting historical preservation.

A 24 hour trail event in Sevierville on October 17, 2026 with a 3 mile loop, an 8 hour 9 to 5 race, and a Dolly themed buckle for 80 miles.