Trail Running calendar near Potomac 2025-2026

Run scenic trails at Leesylvania State Park on January 17, 2026 and support Food for Others with 5k and 10k distances. Enjoy a mixed trail and pavement course, in person or virtually, with finisher medal and tech shirt for early registrants..

Challenge yourself on scenic singletrack at Rockburn Branch Park in the Mid Maryland Trail Festival, featuring a 50K and a 50K relay. Run six loops or join a team of 2 to 6 with options to run fewer loops and aid stations on course.

Take on a fast, flat half marathon along the Dahlgren Railroad Heritage Trail in King George, Virginia on January 31, 2026. All finishers earn a custom medal and the race supports Friends of the Dahlgren Railroad Heritage Trail.

Run the Patriotic Pursuit on January 31, 2026 at Williamsport Park, choose a 5k, 10k or half marathon along the flat, scenic C&O Canal Trail. In person and virtual options, tech shirt and medal, proceeds benefit Semper Fi & America's Fund.

Run scenic, tame trails along the Little and Middle Patuxent Rivers in Columbia, MD during a fun January race weekend. Choose 5K, 10K or half marathon distances and earn finisher medals, a long sleeve shirt and knit gloves.

Brave wooded trails at Prince William Forest Park on Feb 1, 2026 with distances from 5k to 50k, featuring technical hills, roots and scenic views. Support Semper K9 and earn medals, tech shirts and chip timing in this winter trail challenge..

Join the 18th annual ICY 8 at scenic Lake Anna State Park on Feb 7 for 8 hour adventure trail runs, a Half Marathon Plus in a figure 8 format, or a challenging 8 miler. Mostly single and double track trails promise a fun, rugged day outdoor..

Test your limits on this timed trail ultra at Little Bennett Campground with 5 and 9 hour solo and relay options on a scenic 4.4 mile loop. Enjoy aid stations, Altra demos and a post race chili while supporting Montgomery Parks Foundation.

Run a scenic trail 5k or 10k at The Winery at Bull Run with chip timed results, a finisher medal, tech shirt and a complimentary glass of wine. Proceeds support the Manassas Battlefield Trust.

Run a hilly trail 5k or 10k at Wilderness Run in Spotsylvania VA on Feb 14, 2026 and support Semper Fi and America's Fund. Chip timing, finisher medal, tech shirt and a post race beer or wine; virtual option available.

Take on scenic river trails at the Paradise Springs 5k and 10k in Clifton VA on February 28, 2026, featuring challenging rocky sections and plenty of elevation. Finish at Paradise Springs Winery with a finisher medal, tech shirt and a compl..

Run scenic single track around Saint Marys Lake and Salem Forest with 17K, 34K, and 50K options on a 10.5 mile loop. Limited to 100 runners, the friendly trail race finishes with warm food and pancakes.

Hashawha Hills 50 km in Westminster Maryland is two loops of technical single track with about 5800 feet of climb for a scenic winter ultramarathon. Finish indoors with hot food and a nine hour time limit.

Join the Bigfoot Endurance Trail Race at Rockburn Branch Park in Elkridge on March 1, 2026 with 5 mile, 10 mile and two person relay options on scenic trails. Get a long sleeve shirt, finisher medal, post race beers and support Parkinson's..

No Man's 50K is a women only trail running challenge in Triangle, VA with 50K and 25K on scenic single track and forest roads. Two loop courses, full aid stations, and a welcoming vibe make this a must for endurance runners.

Take on scenic forest trails at Conway Robinson State Forest with a 5k or two lap 10k, suitable for runners and walkers of all levels. Support the Lost Dog & Cat Rescue Foundation and earn a finisher coin plus a tech shirt.

Join the scenic Seneca Creek Greenway Trail in Gaithersburg MD on March 7, 2026 for a marathon or an extended 50K. Run single track parkland trails and choose to finish at the marathon or keep going to complete the 50K.

Shake off winter at Creek's Edge Winery with the Run First Wine Later 3k and 5k on March 7, 2026. Scenic loops, chip timing, a finisher medal, tech shirt and a postrace glass of wine make this a fun social outing for runners and walkers.

Run the Smoketown Brewery 5k or 10k in Brunswick MD on March 8, 2026, a flat out and back on light gravel. Virtual entries and walkers welcome, with chip timing, a finisher medal, tech shirt and beer while supporting Wear Blue Run to Rememb..

Take on runnable hills, mud and possible snow on the Ranger Trail at Codorus State Park with 8 Miler, 25K or 50K loop options. Presented by York Road Runners Club, the race benefits a local animal rescue and offers prizes and swag.