Trail Running calendar near Frederick 2026-2027

A community trail event at Opossum Lake Park offering a 6 mile obstacle course, a 4 mile run, and a 4 mile walk on mixed terrain, with chip timing, age-group awards, and proceeds benefiting the Friends of Opossum Lake Conservancy.

Trail races in Colonel Denning State Park offering 15K and 25K routes with significant elevation gain, multiple aid stations, and a strict 120 runner limit. Spectator access is limited and overall winners receive awards.

The Arc of Northern Virginia Community Challenge at Burke Lake Park on June 6, 2026 features a 5K race and a 2K fun walk and roll. Teams raise funds to support services and advocacy for people with intellectual and developmental disabilitie..

Trail Trotters 5K & Fun Run at Promise Landing Farm in Upper Marlboro offers a farm-trail 5K and a fun run to support the farm's riders and programs. The event includes free parking, a shirt deadline of May 16, no pets, and refunds up to se..

A night trail event in Prince William Forest Park featuring a 50 mile race made of two 25 plus mile loops, plus 25 mile and 10 mile options. The course is mostly single track with staffed aid stations and defined crew and pacer rules.

A chip timed 5k at Corteau Vineyards in Mechanicsville, Maryland on June 13, 2026, featuring vineyard scenery, a t-shirt, collapsible wine glass, finisher medal that doubles as a wine stopper, and an on-site wine pour.

A community 5K and 1 mile Fun Run in Warrenton, VA that raises funds for Fauquier Education Farm, a 501(c)(3) that advances agricultural education and donates its harvest to local food banks.

A Juneteenth trail event in Germantown on June 19, 2026 offering 6K and 12K courses around Button Farm and the Schaeffer Farm Trails, with virtual options and tiered registration fees.

A blue-blazed out-and-back trail event near Frederick, MD offering 50K and 25K options on rocky, shaded trails with stream crossings, mandatory hydration, limited entries and staffed aid stations.

PUSO 5k & 10k takes place June 20, 2026 in Georgetown, Washington DC, with races on the Chesapeake & Ohio Canal path. Two distances are offered and walkers are welcome; registration fees vary by date.

Experience a scenic 5 mile trail run through Lancaster County Central Park featuring grass paths and water crossings. Compete for age group awards and enjoy a post race prize raffle in a beautiful natural setting.

A trail running event at Seneca Creek State Park on June 27, 2026, offering measured 5K and 10K courses through singletrack with lake views, aid stations, post-race food, and age division awards.

A 12 hour trail event on a scenic five mile single track loop in Berkeley Springs WV, featuring technical terrain with about 750 feet elevation per loop, on-course aid stations, a post race meal and handcrafted awards.

Trail races at Rocky Ridge County Park near York, PA on June 27, 2026 offering 50K, 33.3K, 16.7K and 10K over rocky, rolling terrain with significant climbs. Registration closes June 23.

MCRRC Cross Country on the Farm Trail 5K is a trail race at Agricultural History Farm Park in Derwood MD. Non member registration is available for a $20 fee and the event is part of the club's low key race series.

A free 5K fun run on July 4, 2026 organized by Great Falls TrailBlazers. The loop course goes through the woods, meets at the Great Falls Library, is open to all ages and is pet friendly.

A themed Forrest Gump fun run at Lakeside Loop in New Town Village, Owings Mills, offering a full 4.4-mile loop or a 1-mile out-and-back option. The event is free and participants are encouraged to wear the red hat, yellow top and red short..

A 5K and 10K road race at Nottoway Park in Vienna, Virginia on July 11, 2026. In-person and virtual participation options are available with tiered registration fees and finish item choices.

A summer trail race at Gunpowder State Park on July 12, 2026, listed as 7 miles with an approximate eight mile course that crosses Harford and Baltimore counties. The route features rolling hills, water crossings and occasional mud, with a..

Experience the West Side Quarry trail race along the Rappahannock River in Fredericksburg. This 10k course features a steady climb and rolling hills with 426 feet of elevation gain for a dynamic running experience.