Trail Running Calendar United States 2024-2025

The O'Neill Park Trail Races, scheduled for May 17, 2025, offer a stunning running experience in the scenic O'Neill Regional Park, located in Trabuco Canyon, California. Participants can choose from various race distances, including a 50k, marathon, 30k, half marathon, and 10k. The event emphasizes ..

Winona Forest's Chase the Day 24-Hour Trail Ultra is a unique running event held at the Winona Forest CCC Camp in Mannsville, NY. This inclusive trail ultra invites participants of all abilities to run, walk, and enjoy the camaraderie of fellow runners over a 24-hour period. The course features a we..

The Berryman 50 Mile and Marathon Trail Races, held at Berryman Campground in the Mark Twain National Forest, Potosi, MO, is a celebrated annual event, marking its 25th edition in 2025. Participants can choose between a challenging 50-mile race or a marathon, both traversing a scenic 26-mile single-..

The SMR Mayapple Trail Runs, taking place on May 17, 2025, in South Mountain Reservation, Millburn, NJ, features a variety of race distances including 50 miles, 50K, 20 miles, 10 miles, 5 miles, and a Kids 1 Mile Run. Organized by the South Mountain Conservancy and supported by local volunteers, the..

The Fit Farmer 12K Trail Run is an annual event taking place in the Flag Rock Area Trails system in Norton, VA. This year marks the eighth edition of the race, which aims to support the Norton Friends and Farmers Market’s Senior Supplement Program, helping low-income seniors access fresh produce. Pa..

The Sunderbruch B&B Trail Races, hosted by the Quad Cities Trail & Ultra Runners, will take place at Sunderbruch Park in Davenport, Iowa, featuring 5K and 10K trail running events. Participants can expect a fun atmosphere with beautiful single-track trails, a post-race potluck with plenty of bacon a..

The Born to Adapt - Los Olivos will take place in Los Olivos on Saturday 17 May 2025. You can run between 10 and 100 miles.

The Highball to Thurmond Ultra & Relay is an exciting running event set in the scenic New River Gorge National Park, taking place on May 18, 2025. Participants can choose from various race options, including a 50K, a 50K Ruck, and a 50-mile ultra marathon, with different time limits and awards. The ..

The Rothrock Trail Challenge is a unique trail-running event set in Rothrock State Forest, Boalsburg, PA, featuring two race distances: 11.3 miles and 16.5 miles. Participants will navigate scenic singletrack trails, experiencing steep climbs and descents amidst beautiful natural surroundings. The e..

The Gorgonio View Trail Run, part of the Spartan Trail series, takes place at the scenic Big Bear Mountain Resort in California. This event features a 10K trail run that showcases picturesque singletrack trails winding through high-altitude pine forests, offering participants stunning views of the S..

The Armadillo Trail Run, taking place at Reveille Peak Ranch in Burnet, Texas, offers a scenic 10K trail race set in classic central Texas terrain. Participants will navigate narrow singletrack paths, slickrock, and the unique challenges posed by local flora. This event is part of a larger weekend f..

The First State Trail Race, set in Wilmington, DE, offers a scenic running experience through the picturesque Brandywine Creek State Park and First State National Historical Park. Scheduled for May 18, 2025, participants can choose from three distances: a 10K, 25K, and a challenging 50K. Each course..

The Pet Rescue Run/Walk 5K is a charitable event taking place at Columbus County Park in Columbus, Michigan, aimed at animal lovers and running enthusiasts. This officially timed trail run/walk features a course of grass and dirt trails, with some elevation changes and potential muddy conditions. Th..

The Chief Wetona Challenge is a family-friendly running event featuring two course options: a four-mile and a seven-mile race, set in the scenic Mt. Pisgah State Park. The race emphasizes inclusivity, offering free entry for children under 12 and a reduced fee for teens aged 13-18.Participants can e..

The Spring Run The Farm event will take place at Muscoot Farm in Katonah, NY, on May 18, 2025. This exciting running event features a 5-mile trail race for participants aged 6 and older, along with two kids' races: one for ages 7-12 and another for children aged 6 and under. The event aims to showca..

C'mon Armageddon is an exhilarating running event set in the challenging terrain of Norvin Green State Park, West Milford, NJ. Participants can choose from three race distances: a grueling 50K with over 7000 feet of elevation gain, a 10 Miler with 2000 feet, or a 5 Miler with 1000 feet. Runners will..

The Vale of Three Falls event features three running distances—5K, 10K, and 15K—set in the scenic Letchworth State Park, known as the "Grand Canyon of the East." Participants can enjoy an out-and-back course that showcases beautiful views of the Genesee River and the park's natural beauty. Each race..

The 4K Trail Run is a unique running event taking place in Boston, Massachusetts, on May 21 and 22, 2025. Participants can register as individuals or as part of corporate teams, making it a versatile option for runners of all backgrounds. The event not only promotes physical fitness but also support..

The Coalfields Backyard Ultra is a unique running event held in Williamson, West Virginia, recognized as a Bronze Ticket race towards the World Backyard Ultra Championship. Participants engage in a "Last Runner Standing" format, running a 4.1667-mile loop every hour. The event emphasizes endurance o..

The Weld Your Mettle Running Festival is a vibrant event taking place from May 23 to May 25, 2025, in Eaton, Colorado. It features a variety of running challenges, including timed relays (3, 6, 9, 12, and 24 hours), a 7K Ruck, and a 1 Mile Kids Fun Run. Participants can enjoy a supportive community ..