Logo

Capital Backyard Ultra

Lorton, United States • 28 Mar 2026

Capital Backyard Ultra is a Last Runner Standing race held at Meadowood Special Recreation Management Area, 10702 Harley Rd., Lorton, Virginia, near Washington, DC. The course is a 4.167-mile loop that runners complete in succession, with the field reduced until only one remains, who must finish one more loop to win. The event is limited to 60 entrants and is supported by experienced staff and volunteers, described as a “dress rehearsal” for Big’s. It is a 2026 Silver Ticket Event, with invitations via Ultrasignup. The atmosphere emphasizes focused endurance in a cooler, late-March setting and a small, highly competitive field. Visit the organization's website for the most recent information.

United States Virginia Lorton

Race information

Website Registration
4 mi
4.167 Mile Loop
Visit the organization's website for the most recent information.
Trail runs nearby

VHTRC Women's Half Marathon

Fairfax Station - 8 mi from Lorton

The VHTRC Women's Half Marathon will take place in Fairfax Station on Saturday 13 September 2025. You can run between 7 and 13 miles.

Adventure Trail Run

Triangle - 12 mi from Lorton

Athletic Equation will host its 18th Annual 12-Hour Adventure Trail Run at Prince William Forest Park, a 17,000+ acre, 40-mile trail reserve near Triangle, VA. The event covers 30 kilometers on a 6.5-mile looped figure-eight trail course, run for up to 12 hours with a two-person relay. The 100% trai..

St. Anselm's Family 5k

Northeast Washington - 20 mi from Lorton

St. Anselm's Family 5k is a family-friendly fundraising race in Washington, DC, held at 4501 South Dakota Ave NE. The event covers a 5k distance on a double-loop trail course, suitable for runners and walkers alike.It benefits a memorial scholarship fund at St. Anselm's Abbey School, supporting stud..

Quantico 24-Hour Walk, Run & Relay for Charity

Quantico - 13 mi from Lorton

Quantico 24-Hour Walk, Run & Relay for Charity is held in Quantico, Virginia, benefiting Semper Fi & America's Fund, which supports wounded service members and military families. The event invites walkers, runners, and relay teams to cover mileage by doing laps or jogging several miles, with team an..

Fall Harvest 5k

Sterling - 23 mi from Lorton

The Fall Harvest 5k is a scenic trail race held at Claude Moore Park in Sterling, Virginia. Set amidst the vibrant colors of autumn, the course features forest paths and leaf-covered trails, offering a picturesque experience for both runners and walkers. This event is part of the Run Your PRCS Parks..

Full Distance 10k

Triangle - 12 mi from Lorton

The Full Distance 10k is a scenic trail running event held at Locust Shade Park in Triangle, Virginia. The course features a mix of trails and pavement, with about 40% paved and some hills, consisting of four loops for the 10k distance. This chip-timed race welcomes both runners and walkers and is p..