Race manager Race Timing Unlimited is moving forward with plans for the annual Dahlgren Trail half marathon and Dahlgren Railroad Heritage Trail 50K on Saturday, August 1, with extra precautions to keep runners and volunteers safe during the COVID-19 pandemic. 50K start: 6:30 am Half marathon start: 8 am Races start at Rt 605 trailhead on Dahlgren Railroad Heritage Trail, 10431 Bloomsbury Rd, King George, VA. Parking is at the trailhead is limited. Please carpool and arrive early. Lot opens at 5 am.