OSS/CIA 50 Mile Night Run

The Fountainhead Half Marathon and 10K++ Trail Run takes place at Fountainhead Regional Park in Fairfax Station, Virginia, just 30 minutes from Washington D.C. This challenging event features a 13.5-mile half marathon and a 6.9-mile 10K course, both known for their tough terrain with rocks, roots, s..

The Night Raider 10k and 5k is a scenic trail run held at the Manassas National Battlefield, starting and ending at The Winery at Bull Run in Centreville, VA. Participants can enjoy a course that includes cross-country paths, dirt trails, a boardwalk, and gravel sections, with some hills. The event..

The Capital Backyard Ultra is an endurance running event held in Lorton, Virginia, featuring a unique format where participants run a 4.167-mile loop every hour until only one runner remains. The race supports experienced backyard ultrarunners aiming to push their limits, with a maximum of 60 partic..

The Leopold’s Preserve 10k is a trail running event held at Leopold’s Preserve in Broad Run, Virginia. Participants can enjoy a mostly flat dirt course with some roots, featuring scenic views of a diverse habitat and wildlife. The race is chip-timed and includes a finisher’s medal and technical even..

The DHRT 50K is an exciting trail running event set in King George, Virginia, taking place on August 2, 2025. This challenging race traverses the scenic Dahlgren Railroad Heritage Trail, offering participants a flat and well-maintained course primarily shaded by trees. Runners will face the added ch..

The Dahlgren Heritage Rail Trail 50K is a challenging ultramarathon held in King George, Virginia, on August 2, 2025. This 31-mile race takes place on the Dahlgren Railroad Heritage Trail, a flat, well-maintained, and mostly shaded converted railroad bed featuring dirt, grass, pine needles, crushed..