Dahlgren Heritage Rail Trail 50K

The OSS/CIA 50 Mile Night Run is a challenging ultramarathon held in Prince William Forest Park, Triangle, Virginia, a historic site once used to train OSS spies during World War II. The event features a 50-mile race consisting of two laps on a 25+ mile loop primarily on single-track trails, fire ro..

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 3H Trail Half Marathon in King George, Virginia, is a scenic, flat, and fast out-and-back race held entirely on the Dahlgren Railroad Heritage Trail, a converted railroad bed offering solid footing with surfaces of dirt, gravel, grass, and pine needles. The course starts at the eastern end of th..

The 12 Hour Adventure Trail Run takes place at Prince William Forest Park near Triangle, Virginia. This challenging event features a 6.5-mile figure-eight loop trail course with approximately 650 feet of elevation gain per loop, combining single track and fire road terrain. The course is designed to..

The Full Distance 10k and 5k is a scenic trail race held at Locust Shade Park in Triangle, VA. Participants can choose between a 5k or 10k course, with the event featuring chip timing, finisher medals, and technical event shirts. The course includes trail segments with some roots and hills, and wate..

The Wilderness Run 10k is a scenic cross-country race held at Wilderness Run Vineyard near the historic Chancellorsville and Wilderness battlefields. The event features both 5k and 10k courses with hills and trail terrain, offering a challenging and picturesque experience. Participants receive a fin..