Trail Running Calendar United States 2026-2027

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.

Experience the Texas Hill Country at the Wildflower Trail Races in Bastrop. Choose from 5K to 50K distances across two days of single track trails through forest rebirth and scenic pine terrains.

Hann Jivin' in the Dark is a nighttime trail run in Knoxville's Urban Wilderness. Runners must bring their own light for the 6+ mile course through unlit wooded trails. The event also features a kids' trail mile and is part of a larger trai..

Chase the legend through the scenic Dry Creek Preserve. This unique 5k trail run features river crossings and a playful Sasquatch theme. Part of the proceeds support the local nature preserve.

Experience the rugged beauty of the Rocky Mountain foothills in Fort Collins with a 25 or 50 mile trail race through Lory State Park and Horsetooth Mountain Park featuring significant vertical gain and scenic ridgeline views.

A free eight-hour ultra run with a classic, social vibe. Run loops at your own pace with no cut-offs and access your own supplies from your vehicle. This WVMTR club event welcomes everyone.

Mind The Ducks is a 12-hour ultramarathon on a looped course in Webster, NY. Runners aim to complete as many 1.01203-mile laps as they can. The event supports a local charity and is organized by a running club.

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.

This Helena trail run on May 9, 2026, features races from 5K to 50K, plus hikes and a dog walk. It's a community event supporting the Prickly Pear Land Trust's conservation work. Enjoy trail running followed by a beer garden and live music.

A trail race at Cougar Mountain Regional Wildland Park offering 5.1 mile and 10.8 mile courses through forest and marshes near Seattle. Organized by Seattle Running Club and Northwest Trail Runs as part of a 21st annual series supporting Ki..

The Glacier Ridge Trail event features four out-and-back ultramarathon and trail race distances on the scenic Glacier Ridge/North Country Trail system in Pennsylvania. Races start and finish at McDanels Boat Launch in Moraine State Park. Al..

Test your endurance at Almaden Quicksilver County Park with 50 km or 100 km trail races. These USATF sanctioned events offer significant elevation gain and the 100 km distance serves as a Western States 100 qualifier.

A trail event at Meeks Mountain Trails in Hurricane, WV supporting a scholarship fund and the local Marine Corps League. Features 5K and 10K runs, a 5K walk, and a 5K ruck with participant shirts and medals.

Eagleton Trail Challenge The Eagleton Trail Challenge is a trail running and rucking event taking place in Lock Haven, Pennsylvania, on May 9-10, 2026. It features multiple distances, from a 10K to an 86-mile ultramarathon, run on trails th..

This inaugural half marathon offers a scenic tour of Napa Valley, running on closed vineyard roads from Quintessa Winery to Yountville. The race includes shuttle transport, a custom medal, and concludes with a Wine Village celebration featu..

Event Overview The Freight Train Ultra Marathon is a multi-distance trail running event held at High Bridge Trail State Park. It offers a half marathon, 50k, and 100k distance. The event takes place in early May. Course Details All races st..

Test your endurance at Greek Peak with a single day walking and rucking challenge through the scenic Finger Lakes foothills. Choose between distances ranging from 7 to 28 miles on a beautiful 1480 foot elevation loop.

The MammothMarch South Carolina will take place in Clover on Saturday 9 May 2026. You can run between 20 and 30 miles.

A spring trail race in Cool, California with two single-track distances of 5.8 and 10.3 miles, varied terrain and a creek crossing. The event is limited to 600 participants and includes packet pickup, a tech shirt, and a finisher medal.

Join the Luau themed 5K, 10K, and Half Marathon at the Mason Creek Hike and Bike Trail in Katy. This US Road Running event features out and back courses and medals for all finishers.