Trail Running Calendar United States 2026-2027

A fatass group run and FKT attempt on May 9, 2026 covering 50k of Alabama coastline from Fort Morgan to the Florida state line. The sandy route includes two mandatory bridge crossings and ends near the Flora-Bama venue.

Timed loop event at Linfield University’s Wellness Trail in McMinnville on May 9, 2026 offering one, three, six, eight and twelve hour options, a four loop team relay, and bingo lap races on an about 1.5 mile course.

A multi-race Spartan obstacle weekend in Bigfork, Montana, held in May 2026 with Sprint, Super, Beast, Ultra and kids courses. Courses use high-altitude terrain and offer team registration and service member discounts.

A two-day trail event at John Bryan State Park near Yellow Springs, Ohio, featuring half marathons, 10K, 5K, 20K relay and a six-hour timed event. A Pack Pass offers entry into all 2026 events.

Trail races at Strouds Run State Park in Athens, OH on May 9, 2026 offer 50K, 25K and 11K courses. The mostly singletrack routes include the Thunderbunny Trail, a Dow Lake loop and a ridge overlook.

A flat 3.1 miles along the Lansing River Trail finishing near Jackson Field on May 9, 2026. Registration includes a medal, t shirt, festival entry and a 12oz pour; festival entry requires being 21 plus with photo ID.

Timed trail event at John Bryan State Park where runners complete repeated 5K loops over six hours; official finish requires at least four loops and results record total loops completed.

A 12 hour endurance run at Bonita Lakes Park on a 4.6 mile loop with RFID timing and milestone awards. A new Turtle Level offers a fixed two loop 9.2 mile division separate from the main event.

Experience the diverse landscapes of Monterey County with courses ranging from a family friendly 1 mile run to a 35K trail race through the Palo Corona Backcountry. Enjoy exclusive access to protected lands and coastal vistas.

Wildflower is a two-day trail event at Bastrop State Park offering distances from a family one mile walk to a 50k, with single-track trails through pine, sand, and rock, staffed aid stations, and mandatory personal hydration.

A night trail event in Knoxville with a 6-mile course through mostly unlit wooded trails and a kids 1-mile that finishes before dark. Headlamps or flashlights are required for the adult race; aid stations supply small cups.

Sasquatch Trail Run on May 9, 2026 at Dry Creek Preserve offers live 5k race options, a virtual 5k, and a kids event. A portion of proceeds supports Dry Creek Preserve and Sequoia Riverlands Trust.

Trail races near Fort Collins in Lory State Park and Horsetooth Mountain Park offering 25 miles (about 5,500 ft gain) and 50 miles (about 11,000 ft gain) on mostly singletrack with staffed aid stations and a well marked course.

A free WVMTR club trail event in Charleston WV offering an eight hour timed loop format where participants may run any portion up to eight hours. Registration on RunSignUp is required so an e-signed waiver and emergency information are avai..

A 12-hour ultramarathon on a 1.01203 mile loop in Webster, NY, where runners count full laps only; proceeds benefit Rochester Rotary Camp Sunshine and the Greater Rochester Running Club organizes the event.

Test your endurance at this IAU Bronze Label event on a certified 400 meter track in Sharon Hill. Choose from 12 or 24 hour timed races and 50K distances in a cupless and supportive environment.

Trail races and walks in Helena, Montana across South Hills and Mount Helena trails, with distances from 5K to 50K. The event began in 2000 and raises funds for Prickly Pear Land Trust.

Experience the lush single track trails of Cougar Mountain Regional Wildland Park in this focused trail series. Choose between various distances while supporting local park conservation and enjoying a cup free community running event.

A trail ultramarathon at Moraine State Park offering 20 mile, 50K, 50 mile and a 5 person relay on out-and-back courses along the Glacier Ridge section of the North Country Trail. Crews are allowed at specific aid stations and all finishers..

Trail ultramarathons in Almaden Quicksilver County Park on May 9 2026, offering a 100K and a 50K with substantial elevation gain, course maps and GPX files, USATF sanctioning, aid stations, volunteer support, swag and a post race party.