Trail Running Calendar Maryland 2025-2026

The Little Patuxent River Half Marathon & 10K is a scenic running event held in Columbia, Maryland, featuring a half marathon (13.1 miles), a 10K (6.55 miles), and a new 5K option. The race takes place on the beautiful Patuxent and Wincopin trails, offering a manageable terrain suitable for both beg..

The Delmarva Ultra Challenge (DUC) is a unique 100K trail race designed for those seeking an intense challenge. Participants run two back-to-back 50K races: the first takes place at an undisclosed location on Friday night, followed by the traditional Algonquin race course on Saturday morning. The co..

The Algonquin 50K is a trail running event taking place in Pocomoke City, MD, on February 8, 2025. This race offers a flat, fast course ideal for both first-time ultra runners and seasoned participants looking to achieve a personal best. The course is primarily composed of trails, with well-stocked..

The Froggy Hollow 5 & 9, presented by Altra, is a timed trail ultra event taking place at Little Bennett Regional Park in Clarksburg, MD. Participants can choose from various challenges, including a 5-Hour Challenge, 9-Hour Challenge, and relay options. The course features a scenic 4.3-mile loop, wi..

The Super Bowl Trail Race is a unique 7-mile running event held in Cromwell Valley Park, Baltimore, MD, on Super Bowl Sunday. Participants can enjoy scenic trails featuring rolling hills, fire roads, and single-track paths, culminating in a fast downhill finish. The race promotes fitness while suppo..

The Saint Marys Lake Trail Series is an exciting running event taking place in Leonardtown, MD, featuring three race distances: 50K, 34K, and 17K. Set against the scenic backdrop of Saint Mary’s Lake and the surrounding Salem Forest, participants will navigate a roughly 10.5-mile loop that combines..

The Dark Side 8 Hour Ultra is an annual trail running event held at Little Bennett Park in Clarksburg, MD. Participants can run a 5.5-mile loop on scenic single-track trails for a total of eight hours, making it suitable for both competitive runners and those looking to enjoy the outdoors. The event..

The Bigfoot Endurance 5 & 10 Mile Trail Race takes place at Rockburn Branch Park in Elkridge, Maryland. Participants can choose between a 5-mile run, a 10-mile run, or a 2-person relay for the 10-mile distance. The terrain is designed to be easy to moderate, making it suitable for both novice and ex..

The MCRRC Seneca Creek Greenway Trail Marathon & 50K is a running event scheduled for March 8, 2025, in Gaithersburg, Maryland. Participants can choose between a marathon and a 50K race, making it suitable for various levels of endurance runners. The event is organized by the Montgomery County Road..

The Blades Trail Race is a 10-mile running event taking place in Pocomoke, MD, on March 16, 2025. Set in the scenic Pocomoke State Forest, participants can enjoy a beautiful course surrounded by laurel and pine trees. The race emphasizes sustainability by being a cupless event, encouraging runners t..

The HAT Run 50K is an exciting trail running event taking place in Havre de Grace, MD. Scheduled for March 22, 2025, this challenging race features a course that combines single-track trails, open fields, dirt roads, and some paved sections, with a total elevation gain of nearly 4,400 feet. Particip..

The Miocene Epic Endurance Challenge is an annual trail race held at Calvert Cliffs State Park in Lusby, Maryland. Participants can run a ~5 mile loop for up to 6 hours, aiming to cover as much distance as possible. Runners receive a premium item, a swag bag, and access to a fully stocked aid statio..

The Genesee Valley Ultra is a unique endurance running event taking place at the Genesee Valley Outdoor Learning Center in Parkton, MD. Scheduled for March 29-30, 2025, participants can choose from various race formats, including 24-hour, 12-hour, and 6-hour individual or team options. Runners will..

The Rosaryville Half Marathon and 10K Trail Run is set to take place at Rosaryville State Park in Upper Marlboro, MD, on March 30, 2025. This event features a half marathon and a 10K race, both designed to be beginner-friendly while offering a fun and challenging terrain. The courses wind through be..

The B&A Trail Marathon and Half Marathon is a popular running event taking place in Severna Park, Maryland. Scheduled for March 30, 2025, it features both a full marathon and a half marathon, attracting runners of various skill levels. The course primarily follows the scenic B&A Trail, known for its..

The Smoketown Brewery 10k is a scenic running event taking place on March 30, 2025, near Smoketown Brewery in Brunswick, MD. Participants can enjoy a flat, light gravel dirt path while competing for points in the Year-Long 5k, 10k, and Sippin Series. The event welcomes walkers and offers a virtual r..

The Wild Trail 10K in Thurmont, MD, is a beginner-friendly trail race set in the scenic Thorpewood property. Scheduled for April 6, 2025, this event features both a 5K and a 10K race, both part of the FSRC Grand Prix series. Participants can enjoy a relaxed atmosphere, with no special gear required—..

The Breeze Thru the Trees 5k is a cross-country running event taking place at Ruppert Nurseries in Gaithersburg, Maryland, on April 6, 2025. Participants can choose between a 5K run and a 1-mile fun run, both set in a scenic tree nursery within Montgomery County’s Agricultural Reserve. Proceeds from..

The Gunpowder Keg Ultra, hosted by the Baltimore Road Runners Club, features both 25K and 50K trail races in the scenic Bunker Hill area of Gunpowder State Park. Participants will navigate a 15.5-mile loop primarily consisting of single track, with some fire road and asphalt sections. Runners can ch..

Run to Remember is a commemorative running event held in Piney Run Park, Sykesville, MD, featuring various race options including a 50K, 50K Relay, 25K, 5 Mile, and an 8 Hour Challenge. This event honors the memory of lost loved ones and encourages participants to challenge themselves in their honor..