Logo

FB After Dark 12-hour

Lorton, United States • 26-27 Jul 2025

The FB After Dark 12-hour is a nighttime running event held in Lorton, Virginia, at 10702 Harley Road. This unique race is a 12-hour night version of the Furbutt race, offering runners a challenging endurance experience under the cover of darkness. While specific course details are not provided, the event emphasizes a distinctive night running atmosphere.

Additional information and updates are shared with participants via email. The race is organized by the Virginia Happy Trails Running Club, and more details can be found on their website. This event provides a special opportunity for runners to test their stamina and enjoy a nocturnal running challenge. Visit the organization's website for the most recent information.

United States Virginia Lorton

Race information

Website Registration
12 hr
12-Hour Night Run
Visit the organization's website for the most recent information.
Trail runs nearby

Furbutt's Backyard Ultra

Lorton

Furbutt’s 24-hour Backyard Ultra is a unique endurance running event held in Lorton, Virginia. Based on Lazarus Lake’s backyard format, runners must complete a 4.167-mile loop every hour, starting each new loop on the hour. Participants continue this cycle for up to 24 hours, with the challenge bein..

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, held at Prince William Forest Park near Triangle, VA, is an endurance trail running event featuring a 6.5-mile figure-eight loop course. The course, set on 100% trails including single track and fire roads, offers approximately 650 feet of elevation gain per loop wit..

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..

Fall Backyard Burn Trail Run - Lake Fairfax

Reston - 18 mi from Lorton

The Fall Backyard Burn Trail Run at Lake Fairfax Park in Reston, VA, offers runners a scenic and challenging trail experience with distances of 5.1 miles (one lap) or 10 miles (two laps). The course features mostly smooth singletrack trails with some short technical sections involving rocks and root..

Halloween Horror 10k

Gainesville - 21 mi from Lorton

The Halloween Horror 10k is a trail running event held at Conway Robinson State Forest in Gainesville, Virginia. The race features a challenging loop course through forest trails with some technical terrain and minor hills, with the 10k consisting of two laps of the 5k route. Participants receive a..