Trail Running Calendar United States 2026-2027

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 event at Powhatan State Park on an approximately 2.7-mile field-and-forest loop, with a Parent Loop for families, one aid station at the trailhead, and options for solo or four-person relay entries.

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.

Experience a 5K trail loop through the scenic Leelanau State Park in Northport. All participants receive a custom finisher medal and a race shirt with professional chip timing included.

Experience the natural beauty of Burnet Texas at the Inks Lake Trail Run and Ruck. Choose from distances ranging from a one mile youth run to a fifty kilometer ultra marathon on scenic park trails.

A 5K event at DeLeon Springs State Park offering in-person and virtual options, chip timing, race shirt and medal, and fundraising support for Friends of DeLeon Springs State Park.

10K trail race in Hannibal, MO on October 17, 2026 featuring technical single track, age group awards, cash prizes, and a three hour cutoff.

The Annual Boulder Dash at Pinesburg Quarry in Williamsport, MD on October 17, 2026 offers three distances : 5 miles, 5K and 1 mile, and the quarry will be closed during the event for safety.

An urban 5K adventure race and a shorter untimed fun run at Independence Landing in Tallahassee on October 17, 2026. The 5K features at least five challenges along the route and finishers receive medals.