Trail Running Calendar United States 2025-2026

The Tails & Trails State Forest Run, held in Pittsfield State Park, Massachusetts, offers three race distances: 50K, 25K, and a 5-mile run. The course features a mix of paved roads, single-track trails, rolling hills, and scenic mountain bike paths through aromatic pine forests and past natural land..

The Endure Trail Runs, organized by the Human Potential Running Series, takes place at Mueller State Park in Divide, Colorado. This unique event features a variety of races, including a 10k, Half Marathon, and timed challenges of 12 and 24 hours. Participants in the 12-Hour and 24-Hour events will d..

The Perfect PR Backyard is a unique running event taking place in Clarkston, MI, designed for runners of all abilities to challenge themselves in a supportive environment. This backyard ultra format allows participants to run as many loops as they can within a set time frame, with a focus on persona..

The Conestoga Crusher 10K Trail Race, along with the Conestoga Cruiser 5K Trail Race and a Kids Trail Race, is scheduled for May 17, 2025, in Holtwood, PA. The event offers scenic trail running through Kelly's Run Nature Preserve, featuring creek crossings, steep climbs, and beautiful views from the..

The Alum Creek Trail Race, taking place on May 17-18, 2025, at Alum Creek State Park in Lewis Center, Ohio, offers a variety of running events including a half marathon, 10K, 5K, and a 20K relay. Participants can also join the "6 Hours of Power" event. The race features scenic trails with diverse na..

The Land of Entrapment Back Yard Ultra is a challenging endurance running event held in the rugged desert terrain of San Ysidro, New Mexico. Participants run a 4.167-mile loop every hour on the hour, continuing until only one runner remains, testing both mental and physical limits. The course featur..

The Screamin' Hill Scramble 5K is an exciting running event taking place at Screamin' Hill Brewery in Cream Ridge, NJ. This annual race features a scenic 5K course that winds through the brewery's grounds, where the ingredients for their craft beer are grown. Participants can enjoy a chip-timed race..

The Vallecito Lake Heavy Half is a scenic half marathon set around the picturesque Vallecito Reservoir in Colorado's San Juan Mountains. Scheduled for May 17, 2025, this unique race offers participants the chance to run on a course that includes sections typically closed to the public, such as a por..

The State Games of West Virginia 11K Trail Run is part of a larger event that includes a 5K Trail Run/Walk and a 1 Mile Fun Walk, taking place at Heritage Farm in Huntington, WV. This race serves as an official national qualifier for the State Games of America, allowing medalists to represent West V..

The "Keeping My Mind on Track" event is a 5K trail run taking place at Doggettville Farm in Summerfield, NC. Scheduled for May 17, 2025, this event aims to promote mental health awareness through physical activity. Participants can enjoy a fun day filled with running and community engagement.Awards..

The Oil Creek 5 & 13 Stacked Trail Races, taking place in Titusville, PA, features a unique trail running experience on May 17, 2025. Participants can choose between a 5-mile race, a 13-mile race, or the challenging "Stacked Race," which combines both distances. The races start at the Drake Well Mus..

The Berryman 50 Mile and Marathon Trail Races take place at Berryman Campground in the Mark Twain National Forest near Potosi, Missouri. The event features two distances: a 50-mile ultra and a marathon, both run on the historic 26.4-mile Berryman Trail loop. The marathon covers one loop, while the 5..

The Tennessee Mountain Laurel Festival 5K Trail Run and 10K Road/Trail Run is set to take place in Wartburg, TN, on May 17, 2025. Participants can choose between a challenging 5K trail run and a scenic 10K road/trail run, both featuring varied terrain and beautiful landscapes near Frozen Head State..

The Pechanga Trail Run is an exciting running event scheduled for May 17, 2025, in Spicewood, Texas. This event features multiple race distances, including a full marathon (26.2 miles), half marathon (13.1 miles), 10K, 5K, and a youth trail run, catering to participants of all ages and skill levels...

The Placer Trail Running Festival, held in Granite Bay, California, offers a variety of trail races for all levels, including 5K, 10K, and 25K distances, along with a Canicross event. The festival takes place on May 17, 2025, and features scenic courses through pristine trails near Folsom Lake. Part..

The Do It In The Bush 5K is a trail running event held at Medal of Honor (Cottage Hill) Park in Mobile, Alabama. The race features a roughly 5K cross-country course through the park's trails, offering a natural and scenic running experience. Organized by the Port City Pacers, the event benefits thei..

The Peace Officer Memorial Endurance Ruck is held at Legacy Christian School in Noblesville, Indiana. This event features a 4-hour endurance ruck on a mostly unpaved 1-mile loop course, allowing participants to complete as many laps as possible. There is also a 5k Trail Ruck option, which involves c..

The Dash For Dane & Family Day is an annual event held at Powisset Farm in Dover, MA, designed to honor the memory of Dane and support important causes. The event features a 5K Trail Run/Walk, a 1K Kids Fun Run/Walk, and various family-friendly activities such as magic shows, crafts, and live music...

The Dairy Dash 5K Trail Run is an exciting event hosted by Big Sandy Creek Dairy Farm and Stonewall Farm Enterprises in Madison, Georgia. Scheduled for May 17, 2025, this trail run aims to promote fitness while supporting youth agricultural education, with half of the proceeds benefiting the Georgia..

The 2025 Homochitto Hammer is a dynamic running and mountain biking event taking place in Roxie, Mississippi, from May 17 to May 18, 2025. Participants can choose from various events, including a 10-mile and 20-mile trail run, as well as 10-mile and 20-mile mountain bike races. Additionally, the eve..