Old Dominion

The Old Dominion 100 Mile Endurance Run is a premier ultramarathon challenge set against the stunning backdrop of the Massanutten Mountains, Shenandoah River Valley, and Fort Valley in Virginia. Featuring a demanding loop trail with 14 significant climbs and a total elevation gain of 14,000 feet, this race tests the ultimate endurance of participants as they traverse diverse terrains including pavement, gravel roads, single-track trails, ATV paths, logging roads, rocks, streams, and mud. Known as a cornerstone event in the Grand Slam of Ultrarunning series, the Old Dominion is more than just a race—it's a tradition that celebrates the resilience of each runner battling the course, hot and humid conditions, and a rigorous 24-hour cutoff for the coveted silver buckle, with a maximum finish time of 28 hours. This iconic ultramarathon offers a unique and rewarding experience for athletes seeking to push their limits across varied surfaces and challenging elevation, solidifying its reputation as a true test of endurance and determination.