Trail Running calendar near Merrimac 2026-2027

A night trail event in Prince William Forest Park offering a 50+ mile race made of two laps of a 25+ mile loop, plus 25M and 10M options. Aid stations are placed on course and crews are restricted to the Telegraph Road Pavilion.

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 Backyard Ultra at Loch Lothian in Midlothian, VA where runners repeat a 4.14 mile loop each hour until one remains; the event supports Semper Fi and America's Fund and awards a cash prize plus the Sword of Honor.

A Juneteenth trail event in Germantown on June 19, 2026 offering 6K and 12K distances plus virtual options, with a hilly course around Button Farm and the Schaeffer Farm Trails and welcome to walkers.

A rugged out-and-back trail race near Frederick, MD, offering a 50K and a 25K Half Cat on rocky, shaded singletrack with stream crossings, three aid stations, and mandatory on-course hydration.

A 5 km and 10 km event along the Chesapeake and Ohio Canal path in Georgetown, Washington, DC on June 20, 2026. Walkers are welcome and registration fees vary by date with separate pricing for each distance.

Kick off the Blue Crab Bolt series at Seneca Creek State Park with scenic 5K and 10K trail runs featuring lake views and singletrack paths. Enjoy professional race support, post-run breakfast burritos, and a festive atmosphere.

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.

A mud-run fundraiser in King George, VA on June 27, 2026, featuring a 4-mile obstacle course and a 1-mile kids run, organized by the Dahlgren Lions Club with team awards by group size.

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 trail-based running event at Needwood Lake Circle in Maryland on July 11, 2026 offering 5 km, 10 km and virtual entries with medal and shirt options.

A 5K and 10K event at Nottoway Park in Vienna, VA on July 11, 2026, with multiple virtual options and tiered entry fees.

A roughly 50 km trail ultramarathon on the southern Massanutten range with about 5,700 feet of elevation gain, six aid stations, and a post run gathering at the Route 211 commuter parking lot. Entry is limited to 75 runners.

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.

A vineyard run on July 25, 2026 at 868 Estate Vineyards in Purcellville, Virginia offering 5 km and 10 km courses plus virtual entry options with varying fee tiers and medal or shirt choices.

Experience the twisty single track and scenic farm fields of Germantown at this trail running event. Participants can choose between two distances while supporting local non profits in Montgomery County.

Christmas in July 5k & Half in Georgetown, Washington DC on July 25, 2026 features races along the Chesapeake and Ohio Canal path with 5K, half marathon and virtual options; walkers are welcome.

Locust Shade 5k and 10k on July 25, 2026 uses shaded scenic trails at Locust Shade Park in Triangle VA. Walkers are welcome and virtual entries are available with medal and shirt options.