Trail Running calendar near Lorton 2025-2026

Take on the More Miles Last One Standing Challenge on May 30 in Knoxville MD, a backyard ultra where runners cover a 4.167 mile loop each hour until one remains. Prize money, a 1 mile race, and a Backyard Ultra qualifier add the drama.

The Old Dominion 100 Endurance Run, held in Fort Valley, Virginia, is a challenging 100-mile race featuring a diverse course that includes pavement, gravel roads, single-track trails, ATV trails, logging roads, rocks, streams, and mud. This..

Run under the stars in Prince William Forest Park on a rugged 25 mile loop once for 25 miles or twice for the 50 mile night challenge. Singletrack trails, stocked aid stations, and limited crew and pacer support.

Event overview The 3H Trail Half Marathon + DHRT 50K is scheduled for Saturday, August 8, 2026, in King George, VA (4224 University Drive, 22485). The event features two races: 3H Trail Half Marathon Dahlgren Heritage Rail Trail 50K Regis..

Event overview The MD Heat Trail Race is a trail running event at the Patapsco Pickall Area in Elkridge, MD. The event offers the following distances: 50K 25K On-site parking is adjacent to the pavilions and start/finish area at Shelter #..

The Inferno 5k & 10k, held at Dirt Farm Brewing in Bluemont, Virginia, offers a rugged forest-trail challenge for runners of all paces. The course is a loop behind the brewery, with the 5k completing one loop and the 10k two, featuring stee..

Halloween Horror 5k & 10k returns to Conway Robinson State Forest Park in Gainesville, VA, offering a forest trail race with a Halloween theme. The event features 5k and 10k distances, with the 10k being two laps of the 5k course. The loop..