Trail Running Calendar United States 2026-2027

Experience an evening trail run through the scenic woods behind Riverside High School. Support the local cross country team while navigating the same well marked 5k course used by competitive athletes.

A three day trail stage race around Lake Sunapee with a 75 mile loop and a 50k option, significant elevation, overnight camp logistics, midstage aid stations, mandatory safety gear, and a limited field for the stage race.

Lean Horse Ultra is a multi-distance trail running event on the George S. Mickelson Trail in the Black Hills, held July 31 to August 1, 2026, with 100 mile, relay, 50, 30, and 20 mile options and a CrossFit edition.

Experience an epic 200 mile point to point team relay from Fort Collins to Steamboat Springs. Run through the heart of the Rocky Mountains and over two scenic mountain passes in this ultimate Colorado road race.

Join the SoCal Summer evening 6K or 12K at Lower Arroyo Park in Pasadena on July 31 2026 and celebrate after with tacos and drinks. Scenic park routes and friendly vibes make this a perfect summer night run.

Experience the beauty of Bogus Basin at the Boise Front Trail Festival. Choose between a steep hill climb or scenic trail races while supporting local trail conservation in the Boise Foothills.

A night trail running event at Land Heritage Institute in San Antonio offering distances from 5K to 50K plus a 17K ruck option. The course uses dirt single and wide track trails with aid stations, finishing shirts, and medals.

Experience a tactical mud run in Barre Massachusetts. Choose between a 5 to 7 mile course with 25 obstacles or a 3 mile sprint featuring 15 to 20 obstacles on a technical Saturday course.

Experience a flat mud run through the Indiana countryside at CERAland Park. Choose between 5K or 15K courses featuring iconic obstacles like the Arctic Enema and enjoy a vibrant finisher festival with live entertainment.

Experience an obstacle course race at the Tryon International Equestrian Center featuring horse trails and red clay hills. Choose from 5K and 10K distances or children’s races in a world class sporting venue.

Experience high elevation trail running in the mountains of Fairplay Colorado. This event offers three distances ranging from a half marathon on forest roads to technical ultramarathons through remote wilderness terrain.

A 100 mile mountain trail race on Mt. Hood with a crew-accessible lollipop-loop, 17,300 feet of ascent and descent, staged at Mt. Hood Meadows. The 2026 race is a Western States qualifier and is capped at 250 participants.

Test your endurance at Cooper River Park on a fast and flat 3.75 mile paved loop. Choose from 12 hour, 24 hour, or 100 mile challenges with great views of Philly and full aid station support.

A trail race around Mt St Helens featuring rugged single track, lava and boulder fields. The full 50K requires prior 50K experience while a 25K option covers key volcanic terrain on a shorter loop.

A non-profit 15-mile trail race on August 1, 2026 near Hesperus, Colorado, climbing 3,100 ft to 12,200 ft at Kennebec Pass with views of the Animas and Dolores valleys. Proceeds benefit La Plata County Search & Rescue.

A multi-distance trail race on Blue Hill Mountain featuring 5k, 10k, 25k and 50k options, technical singletrack, open fields and coastal views; proceeds benefit Blue Hill Heritage Trust and Wabanaki Alliance.

Experience the diverse single track trails of Valparaiso at the Oakadoke Trail Runs. Choose between 4, 9, or 18 mile courses featuring scenic creek crossings and winding switchbacks followed by a celebratory post race meal.

Experience high alpine trail running in the scenic mountains surrounding Aspen. Choose between 50K, marathon, or heavy half marathon distances on dirt trails ending at a vibrant finish line festival.

A night trail race at Cedar Hill State Park with approximate distances 5K, 10K, 18K, 36K and 54K on the DORBA trail system. Hydration devices are required, aid station coverage varies, and illumination is needed after dark.

Tushars Mountain Runs in Beaver, Utah features four high-elevation trail distances from a half marathon to a 100K around Eagle Point Resort, with sustained climbing, marked technical trails, aid stations, and mandatory safety gear for longe..