Old Dominion
Woodstock, United States • 7 Jun 2025
The Old Dominion 100 Mile Endurance Run is a challenging ultramarathon held annually in Virginia, featuring a diverse course that includes various terrains such as pavement, gravel roads, and single-track trails. Established in 1979, this event emphasizes tradition and community, being entirely volunteer-run without sponsorships. Runners face significant elevation changes, with 14,000 feet of gain, and must complete the race within a 24-hour limit to earn a coveted silver buckle. The event is part of the Grand Slam of Ultrarunning series and attracts participants looking to test their endurance against a demanding course. Visit the organization's website for the most recent information.