Furbutt's Backyard Ultra
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Furbutt's Backyard 24 Hour
Furbutt’s Backyard 24 Hour is a backyard-format endurance event held on May 29, 2027, at the Meadowood Special Recreation Area on Mason Neck near Lorton, Virginia. The event uses a repeating loop that runners must complete within one hour; each loop measures 4.167 miles and the event runs with a 24 hour / 100 mile limit. The course begins with 0.7 miles on a flat, open grassy field, then continues on dirt and crushed-gravel bridle trails through wooded sections and some open meadows. Elevation gain per loop is about 300 to 350 feet and total ascent/descent for the event is listed at 7,800 feet.
The start and finish are located under a large horse pavilion at the corner of Gunston Road and Harley Road. A single aid station is located at the pavilion; organizers provide water, ice, Gatorade, and some snacks. Runners may keep personal supplies at the pavilion and are responsible for bringing any additional food or beverages they will need for the event.
Crew access is allowed only at the pavilion aid station and is forbidden elsewhere on the course. Race procedures include timed warnings before each loop and a corral requirement for runners at the top of each hour. The organizing club does not provide medical care on course; runners are responsible for their own health and safety and should be prepared for remote conditions. Visit the organization's website for the most recent information.
