Logo

Capital Backyard Ultra

Lorton, United States • 24 May 2025

The Capital Backyard Ultra is a challenging endurance running event held at Meadowood Special Recreation Management Area in Lorton, Virginia, near Washington DC. The race features a 4.167-mile loop that starts every hour, with runners required to complete each loop on the hour until only one remains. The course includes a runnable rolling day loop and a paved night loop, designed for high mileage performances.

The event supports a small field of up to 60 runners, fostering a competitive yet supportive atmosphere with experienced staff and volunteers. Amenities include a large pavilion for shelter and professional chefs providing nutritious food. The last runner standing wins a special award and a travel stipend toward the World Championships. Visit the organization's website for the most recent information.

United States Virginia Lorton

Race information

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

Dash Through the Dirt Half

Potomac - 21 mi from Lorton

The Dash Through the Dirt Half is a scenic running event held at Carderock Recreation Area along the Chesapeake & Ohio Canal Towpath in Potomac, Maryland. Featuring a half marathon, 10k, and 5k, the courses are fast, flat, and run on a light gravel dirt trail, ideal for personal records. Each route..

OSS/CIA 50 Mile Night Run

Triangle - 12 mi from Lorton

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..

Leopold's Preserve 10k

Broad Run - 27 mi from Lorton

The Leopold’s Preserve 10k is a trail running event held at Leopold’s Preserve in Broad Run, Virginia. Participants can enjoy a mostly flat dirt course with some roots, featuring scenic views of a diverse habitat and wildlife. The race is chip-timed and includes a finisher’s medal and technical even..

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

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..

Full Distance 10k

Triangle - 12 mi from Lorton

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..