Trail Running calendar near Upper Marlboro 2025-2026

The Fall Backyard Burn Trail Run at Fountainhead Regional Park in Fairfax Station, VA, is a popular trail running event held on December 7, 2025. The race offers two challenging distances: a 5-mile single loop with 450 feet of elevation gain, and a tougher 10.5-mile course featuring an additional ou..

The Mid-Maryland Trail Festival 50k is an exciting running event taking place in Elkridge, MD, featuring a challenging 31-mile course comprised of six loops through scenic wooded trails. Participants can choose to run the entire 50k solo or form relay teams of up to six members to share the distance..

The Dahlgren Trail Half Marathon is a scenic running event taking place on the Dahlgren Railroad Heritage Trail in King George, Virginia. This half marathon features a flat, out-and-back course that showcases the natural beauty of the area. Participants can enjoy cash prizes, custom finisher medals,..

The ICY-8 Spotsylvania Courthouse is an endurance trail running event held at Lake Anna State Park in Spotsylvania, Virginia. Featuring an 8-hour adventure trail run and a new half marathon+ option, the event offers a figure-8 course composed of three loops: an 8.0-mile long loop, a 4.7-mile loop, a..

The Bull Run Run 50 Miler is a historic ultramarathon organized by the Virginia Happy Trails Running Club, first held in 1993. Covering 50 miles of forested, rolling terrain near Clifton, Virginia, the race features a course that highlights the area's Civil War history, including the Battle of Bull..