Old Dominion
Woodstock, United States • 7 Jun 2025
The Old Dominion 100 Mile Endurance Run is a challenging ultramarathon set in the scenic Massanutten Mountains and Shenandoah River Valley of Virginia. This event features a demanding course with 14 significant climbs and a total elevation gain of 14,000 feet, testing the endurance of participants as they navigate diverse terrains, including pavement, gravel, and trails. The race is part of the Grand Slam of Ultrarunning series and emphasizes tradition, community, and personal achievement. Runners have a 24-hour limit to earn a coveted silver buckle, with a maximum of 28 hours to complete the race. Visit the organization's website for the most recent information.