Trail Running calendar near Annandale 2026-2027

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.

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 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 5 km and 10 km race at Nottoway Park in Vienna, VA on July 11, 2026, described as a scenic route. The event also offers virtual entry options with choices for medals and shirts and uses tiered registration pricing.

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..

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 six hour endurance run and a three person relay at Quiet Waters Park in Annapolis. Loops are about 4.25 miles with two aid stations on course, awards by category, and a branded sport duffel premium.

A running event at 868 Estate Vineyards in Purcellville, VA on July 25, 2026, offering in-person 5 km and 10 km courses plus virtual entry choices with tiered fees.

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.

A 5K and a half marathon along the Chesapeake & Ohio Canal in Georgetown on July 25, 2026, with in person and virtual options; walkers are welcome and each race has a specific start and finish location.

In-person 5K and 10K at Locust Shade Park in Triangle, VA on July 25, 2026, run on shaded scenic trails. Virtual entries are also available and walkers are welcome.

Trail races at Little Bennett Regional Park on August 1, 2026 feature a 3.7 mile 5K plus and a 6.2 mile 10K on twisty singletrack with hills and streamside sections. Staging is near the Prescott Horse Trailer Area in Clarksburg Maryland.

Trail races of 5K and 3K at Codorus State Park Marina organized by Delone Catholic High School's cross country team; early registration includes a T-shirt and goodie bag and proceeds support several local funds.

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..

A road and trail event at Third Winchester Battlefield in Winchester VA on August 8 2026 offering 5K, 10K, half marathon and virtual options. Walkers are welcome.

Trail running at Patapsco Pickall Area with 25K and 50K options on rolling single track, river crossings, mandatory out-and-backs, staffed aid stations with real food, and a postrace gathering with food and beer.