Trail Running Calendar United States 2025-2026

The Northern Nipmuck Trail Race is a 16-mile trail running event held in Union, Connecticut, organized by the Shenipsit Striders. Revived in 2022 after a hiatus, the race maintains a friendly, low-key atmosphere, attracting runners of all levels. The course traverses the Nipmuck Trail, featuring tec..

The True to the Brew Trail 10K Run/Hike is an annual event taking place on March 29, 2025, in Pomaria, South Carolina. This popular race, which often sells out, features a scenic route along the Peak to Prosperity Passage of the Palmetto Trail, designed for both runners and hikers. Participants can..

The Miocene Epic Endurance Challenge is an annual trail race held at Calvert Cliffs State Park in Lusby, Maryland, featuring a scenic loop course along the Chesapeake Bay. Participants have six hours to complete as many laps as they wish, with a distance of approximately five miles per loop. Runners..

The Sedona Stumble is an exciting running event taking place in Sedona, Arizona, featuring both 5K and 10K races. Set against the stunning backdrop of Posse Grounds Park, participants will navigate a unique trail that combines flowy single track and mountain bike slalom paths. This event is organize..

The Appomattox River Regional Park 5K Trail Run is an exciting running event scheduled for March 29, 2025, in North Prince George, Virginia. Participants can choose to run or walk the 5K course, with all entrants receiving a medal. Awards will be given to the top three overall male and female finish..

The Montana de Oro Trail Run is an annual event held at Montaña de Oro State Park in Los Osos, California. Participants can choose from various distances, including a 50K, 36K, half marathon, and 12K, each offering stunning views of the Pacific Ocean and the surrounding landscape. The event features..

The DINO Trail Run at Paynetown State Recreation Area offers an exciting opportunity for runners of all ages and skill levels. Scheduled for March 29, 2025, participants can choose between a 5K and a 15K trail run, as well as a free kids' race. The event features the scenic Pate Hollow Trail, known..

Dizzy Daze is an endurance running event taking place at Green Lake Park in Seattle, WA. Participants can choose between a 12-hour or a 5-hour race, running on a flat 3.2-mile loop around the lake. Runners will travel counter-clockwise on a groomed dirt path, aiming to complete as many laps as possi..

The Singing River 10K is part of the annual Singing River 5K & 10K event, taking place on March 29, 2025, in Mooresville, Alabama. This event supports the development of the Singing River Trail, a 200+ mile greenway aimed at enhancing community health, education, and economic opportunities in North..

The 3 Chaparrals 3/6 Hour Trail Run is an exciting endurance event set in Palo Duro Canyon State Park, featuring a 4-mile loop course. Participants can choose to run for either 3 or 6 hours, aiming to cover the greatest distance possible within their selected time frame. The event includes a single..

The Red Moshannon Downriver Race is a thrilling paddling event held on a scenic 7.5-mile stretch of Moshannon Creek in Pennsylvania. Participants can compete solo or in teams, navigating a Class II+ rated course that presents various challenges, especially during high water conditions. Safety is par..

The Cat Dirt Dash 5k Run & 1-Mile Fun Run invites participants to experience a unique running event at the Caterpillar facility in Green Valley, Arizona. Set against the backdrop of impressive mining equipment, the race features a scenic dirt course suitable for all ages. Participants can choose bet..

The Flirt with Dirt Half Marathon and 10k is an exciting running event taking place at the Oak Grove Picnic Area in Brecksville, Ohio. Scheduled for March 29, 2025, this race features scenic courses on the hiking and bridle trails of the Brecksville Reservation, catering to runners and hikers of all..

The Bourbon Country 25K/50K/5K is an exciting trail-running event scheduled for March 29, 2025, at the Harry S. Frazier Scout Reservation in Shepherdsville, Kentucky. Participants can choose from three race distances: 25K, 50K, and a challenging 5K.The course features a mix of scenic trails, includi..

The Mountain & Vine Vineyard 9k is a scenic running event taking place at the picturesque Mountain & Vine Vineyards. Participants can choose from three distances: 3k, 6k, and 9k, with the 9k course featuring challenging hills and stunning views. Runners will receive a glass of cider, a finisher meda..

The Broad River Greenway Heart and Sole 10M/5K Trail Races will take place on March 29, 2025, in Shelby, North Carolina. This event features both a 10-mile and a 5K race, with chip timing for accurate results. The 10-mile course follows a scenic route along the River Trail, while the 5K consists of..

The Hone Quarry Ultra is a challenging 40-mile trail endurance race set in the picturesque Shenandoah Valley, starting and finishing at Briery Branch. Participants will navigate through the George Washington National Forest, experiencing stunning landscapes, including cliffs, meadows, and waterfalls..

The Savage Gulf Marathon, taking place on March 29, 2025, is renowned as one of the toughest marathons in the U.S., featuring challenging terrain and steep climbs in Tennessee's Savage Gulf Park. Participants can choose between a full marathon and a 25K race, with a new 25K section introduced this y..

The Folsom Lake Falcon Crest Trail Run, scheduled for March 29, 2025, takes place in the scenic foothills of El Dorado Hills, California. Participants can choose from various distances, including a 5K, 10K, 8-mile, and half marathon, all set on beautiful single-track trails that offer a mix of fast..

The Blue Heron Hundreds is a premier running event taking place at the Wheeler Wildlife Refuge in Mooresville, Alabama, featuring a variety of distances including 100 miles, 100K, 40 miles, and a marathon. Scheduled for March 29-30, 2025, this event not only offers a challenging course on soft grave..