Trail Running Calendar Maryland 2025-2026

The Mid-Maryland Trail Festival features a challenging 50k race and a 50k relay, taking place on January 4, 2025, at Rockburn Branch Park in Elkridge, MD. Participants will complete six loops of approximately 5.179 miles each on a scenic wooded trail. The event allows for individual runners or relay..

The Phunt 25K/50K Trail Race is an exciting running event taking place in Elkton, MD, featuring two challenging distances: 25K and 50K. Participants can enjoy a scenic trail course designed for both seasoned runners and newcomers. All finishers receive medals, and attendees at bib pick-up are awarde..

The Eternal Winter 6-Hour Run is a unique running event taking place at the Greenbury Point Nature Center in Annapolis, Maryland. This "fat-ass" style race encourages experienced runners and walkers to participate in a low-key, self-supported environment, emphasizing personal endurance over competit..

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 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 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 route is primarily on trails, with well-stocked aid statio..

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 as many laps as they wish on a scenic 5.5-mile loop, primarily on single track trails. This timed event encourages runners to enjoy the outdoors as spring approaches. The r..

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 an exciting running event taking place in Gaithersburg, Maryland. Scheduled for March 8, 2025, this event offers participants the choice between a marathon and a 50K race, catering to various levels of endurance and experience. The race showcas..

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 an endurance running event taking place at the Genesee Valley Outdoor Learning Center in Parkton, MD. Participants can choose from various race formats, including 24-hour, 12-hour, and 6-hour individual or team options. Runners navigate a 2.5-mile trail loop, aiming to co..

The Smoketown Brewery 10k is a scenic running event taking place on March 30, 2025, in Brunswick, MD. Participants can enjoy a flat, light gravel course while earning points towards the Year-Long 5k, 10k, and Sippin Series. The event welcomes walkers and offers a virtual race option for those unable..

The Rosaryville Half Marathon and 10K Trail Run takes place at Rosaryville State Park in Upper Marlboro, MD, offering a scenic and beginner-friendly course. The event features a half marathon course of approximately 13.4 miles and a 10K course of about 6.4 miles, both winding through beautiful hardw..

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

The Breeze Thru the Trees 5k will take place in Laytonsville on Sunday 6 April 2025. You can run 5 kilometers.

The C&O Canal 100 is a 100-mile ultramarathon set along the scenic Potomac River, ideal for both novice and experienced runners. The course features a combination of one 40-mile loop and two 30-mile loops on the historic C&O Canal towpath, providing beautiful riverside views and a smooth terrain. Pa..