Trail Running calendar near Washington 2026-2027

A half marathon and a 50K on the Dahlgren Railroad Heritage Trail in King George, VA on August 8, 2026. Mostly flat rails to trails courses with time limits, finisher medals, apparel options and postrace food including free MooThru ice crea..

Run or walk 5K, 10K, or a half marathon on scenic routes at Third Winchester Battlefield in Winchester, VA on August 8, 2026.

A self-supported ultramarathon at Killen's Pond State Park on Aug 8, 2026 offering 50-mile, 50K and 12-hour options on a mostly shaded 3.1-mile dirt loop.

A 6K cross country race beginning and ending at Death Ridge Brewery, using parts of the Verdun Adventure Bound course. The event features varied trails, ponds and bridged streams, race shirts for early registrants, and awards with proceeds..

Part of the Harford County Running Club Dog Days of Summer Series, Rigbie Farm 5k is a free, self timed grass and trail loop near Darlington, MD. Parking is at Rigbie Farm and non members may take part in three free runs.

Trail race in Gunpowder Falls State Park on August 9 with one or two mostly single-track loops of 4 or 8 miles and race-morning registration only.

Trail race in Elkridge, MD offering 25K and 50K on rolling single track with river crossings, aid stations serving real food, and post-race food and beer.

A trail 5K in Gettysburg on August 15, 2026, with a race shirt option for early registrants and an event bottle opener medal. Brewfest options and tours of the Daniel Lady Farm House and Barn are available the same day.

A 5K and 10K on August 15, 2026 at Bull Run Marina following the Bull Run Occoquan Trail, with in-person races and multiple virtual entry options.

A relaxed practice run at Fountainhead Regional Park offering multiple distances up to 13.1 miles on August 2 and August 15, 2026. Entry is open but limited to 60 participants and runners are responsible for their own medical needs.

A 5K and Half Marathon along the C&O Canal in Georgetown on August 16, 2026, with in-person and virtual participation options including medal and shirt choices.

A 7K trail race at The Woodstock Equestrian Center in Dickerson, Maryland, presented as part of MCRRC's low key series for members. Non member registration has a $20 fee and runs from February 10, 2026 to August 16, 2026.

An evening 4 mile out and back run on the NCR Trail at Paper Mill in Cockeysville, part of the BRRC Grand Prix Series on August 19, 2026.

A memorial 5K trail run at Genesee Valley Outdoor Learning Center in Parkton, MD, with a 5K, 1-mile walk, kids dash, team entries, and an In Spirit donation option. Proceeds support a scholarship fund and a post-race festival offers food an..

A 5K and 10K event at Leopold’s Preserve in Broad Run on August 23, 2026 with virtual options and a Sippin Series tie to the Farm Brewery.

Experience an engaging 8 mile trail race through the winding singletrack of Fredericksburg. Navigate rolling hills and punchy climbs in this focused event supported by the local running community.

A self-timed 5 miles on a packed rail trail in Darlington, Maryland, held as part of the Harford County Running Club Dog Days of Summer Series. The course is stroller friendly with parking at Fisherman's Log and free registration.

Challenging 5 km and 10 km routes at Dirt Farm Brewing in Bluemont on August 29, 2026 with rugged terrain and virtual entry options.

Trail 5K and 10K at Mason District Park in Annandale with walkers welcome and both in-person and virtual registration options.

Family friendly mud run at Budds Creek Motocross Park on August 29, 2026 featuring a 5K course with obstacles, mud pits, slides and a festival style after party.