Trail Running calendar near Fairfax Station 2026-2027

Experience a mud run featuring obstacles and trails in King George Virginia. With four mile and one mile options plus team challenges this event supports local community eye and hearing care services.

This cross-country event takes place at the Agricultural History Farm Park in Derwood, Maryland. It's part of a free series for members, with paid registration available for non-members and a youth discount.

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 free Forrest Gump themed fun run on Lakeside Loop in Owings Mills offering a full 4.4 mile loop or a 1 mile out-and-back option, meeting at New Town Village Center with themed attire suggested.

A road running event on July 11, 2026 at Nottoway Park in Vienna, VA offering 5K and 10K in-person races plus virtual options with tiered registration fees and medal and shirt 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..

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 timed six-hour endurance run at Greenbury Point Nature Center in Annapolis, featuring a 2.50-mile loop with a Possum Point out-and-back. Solo and three-person relay options, with a portion of entry fees supporting the Semper Fi Fund.

A vineyard run at 868 Estate Vineyards in Purcellville, VA on July 25, 2026 offering 5k and 10k routes plus virtual entry options and tiered registration 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.

Experience a scenic run or walk along the Chesapeake and Ohio Canal path in Georgetown for the Christmas in July 5k and Half. Participants can choose between two race distances or join virtually from any location.

A community trail event on July 25, 2026 at Locust Shade Park in Triangle VA offering 5K and 10K races plus virtual entries with medal or shirt options. Walkers are welcome and entry fees vary by registration period.

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 race day at Third Winchester Battlefield on August 8, 2026 offering 5K, 10K, and half marathon distances plus virtual options and tiered registration fees; walkers are welcome and courses pass through battlefield scenery.

All trail race at Patapsco Pickall Area offering 25K and 50K on rolling single track with technical sections and river crossings. Aid stations provide water Tailwind and real food and the finish includes shelter 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.

Ridge Reaper 5k & 10k takes place on August 15, 2026 at Bull Run Marina in Clifton, VA, using the Bull Run Occoquan Trail. The event offers 5 km and 10 km in-person races plus several virtual entry options with medals and shirts.