Bull Run Run 50 Miler

Clifton, United States • 4 Apr 2026

The Bull Run Run (BRR) 50 Miler is a classic 50-mile trail race held annually in Clifton, Virginia, within Hemlock Overlook Regional Park. Established in 1993 and organized by the Virginia Happy Trails Running Club, it is one of the oldest 50-mile races in the U.S. The course features forested, rolling terrain along the Bull Run and Occoquan River, showcasing Virginia’s spring beauty, including the largest bluebell stands on the East Coast. The race uniquely honors the area's Civil War history with a themed course. With a 13-hour time limit and a reasonable entry fee, it is popular among first-time 50-milers and seasoned runners alike. Visit the organization's website for the most recent information.

Race information

50 mi
50 Mile
Visit the organization's website for the most recent information.
Trail runs nearby

The Blue Crab Bolt Trail Run at Schaeffer Farms in Germantown, MD, offers a challenging and scenic trail running experience with 5K and 10K race options. Set on well-maintained, flowy trails featuring twisty single-track paths, stream crossings, log ramps, hills, and open farm fields, the course is..

The Fauquier Education Farm 5K and Fun Run is a fundraising event held in Warrenton, Virginia, supporting the Fauquier Education Farm’s mission to advance agriculture through education and sustainable farming. The certified 5K cross-country course features a scenic, challenging route along the Staff..

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.

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 course on 100% trail terrain, including single track and fire roads, with approximately 650 feet of elevation gain per loop. The course offe..

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..

The Fall Backyard Burn Trail Run at Lake Fairfax Park in Reston, VA, offers runners a scenic trail experience featuring a beautiful lake and extensive singletrack trails. Participants can choose between a 5.1-mile course with 300 feet of elevation gain or a 10-mile option consisting of two laps. The..