Trail Running Calendar United States 2026-2027

Rootrock Trail Run at Briar Chapel features 5K, 10K and Half Marathon single track courses with varied technical terrain, on-course aid, chip timing, post-race food, and finisher medals.

A multi distance trail event on October 17 that runs inside Cave Creek Regional Park and along the Maricopa Trail, including a 50K that links Lake Pleasant to Cave Creek. Courses are rocky and exposed, cupless with staffed aid stations and..

A low cost trail ultra near Crystal Springs on a one mile loop with camping, an on site aid station, and self reported results.

A 3.5 mile trail run and walk on the scenic, flat Mill Pond Trail at Woodtick Recreation in Wolcott CT on October 17, 2026. Tiered online registration is available and a post-event meal is included with registration.

A roughly 10K trail race in Olathe on October 17 2026, organized by Team Sparkle with clock timing, cupless water aid, and a $50 entry that donates $5 to Urban Trail Co.

50K, 25K and 7.78 mile trail races loop around Sam Houston Jones State Park near Lake Charles LA on an approximately 8 mile marked trail course.

The Itch is a point to point 50K on the Florida National Scenic Trail West Corridor on October 17, 2026, running from Lake Kerr Road CR-316 to the Baseline Road Trailhead in Ocala. The route uses trail blazes, has on course aid and one drop..

A self paced event at Weymouth Woods featuring a four hour one mile loop challenge and a three loop 5K, with run and ruck categories, on course aid, awards, race shirts, and medals.

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 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.