Trail Running Calendar United States 2026-2027

Experience a high altitude mountain race through the Sawatch range of the Colorado Rockies. This 101 mile loop features historical ghost towns and alpine passes with over 23000 feet of elevation gain.

Experience one of America's oldest 100 mile ultramarathons featuring 17,000 feet of climbing through the Green Mountains. This historic event supports Vermont Adaptive Ski and Sports and uniquely includes a concurrent horse race.

Experience an obstacle course race at Michigan's highest vertical ski resort. Choose between 5K and 10K distances featuring steep climbs and rugged trails just 20 minutes from Grand Rapids.

Experience trail running through an active working farm in Winona Minnesota. Choose from five distances ranging from 5k to 43k with no cutoffs for the longest event.

Take on the McCoy Flat Death Race in Vernal, Utah on July 18, 2026, a repeated 4.1 mile lap endurance test in the high desert. Start each lap on the hour and run until one remains while enjoying shirts, swag, medals and per lap cash prizes.

The Tahoe Rim Trail Endurance Runs offer four distances on scenic Sierra Nevada trails near Lake Tahoe. The demanding 100-mile race is a Western States qualifier with strict entry requirements. All events feature volunteer support and spect..

Experience an iconic Alaskan backcountry marathon from Girdwood to Eagle River. This self supported race features glacier views, technical trails, and a major river crossing through remote mountain wilderness.

Event Distances The event offers three distances: 130K (85 miles) 70K (46 miles) Waucheesi Challenge (24 miles) Course Details The routes take place in the Cherokee National Forest near Tellico Plains, Tennessee. They follow historic path..

A 30 km night trail run through the diverse and wildlife-rich terrain of Florida's Green Swamp. The event features a supportive atmosphere with no time cut-off and a festive post-race potluck. It's part of a larger trail series and is marke..

OCR OVERLOAD features a 4.3-mile obstacle course with over 23 challenges, including a massive 140-foot rig. The event also includes a 5-mile trail run and a timed ninja sprint. Post-race food and drinks are available.

Experience a high altitude trail adventure through Colorado's San Juan Mountains. Run past historic ghost towns and reach heights of over 12,900 feet on the scenic Alpine Loop.

Big Butts Trail Run The Big Butts Trail Run takes place on Saturday, July 18, 2026, in Jackson, Mississippi. The start is at the Mississippi College cross country Choctaw Trails pavilion at 5992 McRaven Rd. The event is a trail race with fo..

The Harding Hustle offers 50K, 30K, and 15K trail races on the Harding Truck Trail in Orange County's Santa Ana Mountains. This cupless event features challenging climbs, descents, and is known for its heat. Parking is not allowed at the st..

Tough Mugu The Tough Mugu is a trail running event offering two distances: a 25 km trail and a 10 km trail. It is part of the Bulldog Challenge Series of races. The event is located at La Jolla Canyon in Point Mugu State Park, Malibu, Calif..

This trail run near Elliston, Montana offers a scenic 15k or 30k out-and-back course. Runners start together along the Little Blackfoot River, crossing wooden bridges to reach Blackfoot Meadows. The longer route includes a climb to the Cont..

Experience a unique night run on a flat 5k trail course in Apollo. Carry a light to guide your way on this out and back route and enjoy shuttled transport from the designated parking area.

Test your endurance at the Riverwest Nature Preserve with a looped course challenge featuring a 45 minute lap limit and distances ranging from 5 miles to a 50k ultra.

Experience an all-terrain trail event at the edge of the Bob Marshall Wilderness in Montana. Runners navigate singletrack and mountain roads across distances from 10K to 50K in a landscape home to diverse local wildlife.

Experience a night trail run through the rugged canyons and natural springs of Colorado Bend State Park. Choose from multiple distances ranging from 5K to 60K plus a special youth mile and rucking options.

Experience a mile long course of mud pits and obstacles at Porter Farms in Concord. Enjoy a non competitive atmosphere with slides, crawl zones, and a post race festival for participants and spectators alike.