Logo

Old Dominion

Woodstock, United States • 6 Jun 2026

Old Dominion - Jun 6, 2026

The Old Dominion 100 Mile Endurance Run is a measured loop event at Shenandoah County Fairgrounds in Fort Valley, Virginia. The race distance is 100 miles. The event is one race in the Grand Slam of Ultrarunning series.

Course

The course loops through the Massanutten Mountains, the Shenandoah River Valley and Fort Valley. It includes 14 significant climbs and about 14,000 feet of total ascent. The surface mix includes pavement, gravel roads, single-track trails, ATV trails, logging roads, rocks, streams and mud. The course is not solely trail running and includes road sections.

Format and cutoffs

Organizers describe the route as a fair test of endurance. There is a 24-hour cutoff to earn the silver buckle and a 28-hour limit to finish the race. Visit the organization's website for the most recent information.

United States Virginia Woodstock

Race information

Website Registration
100 mi
100 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

Twisted Oak 8k

White Post

Run a scenic 4k or 8k on the rolling grounds of Twisted Oak Farm Brewery in White Post, VA. Enjoy chip timing, a finisher medal, a tech shirt and a complimentary glass of beer, with a virtual option available.

Winchester Battlefield Half

Winchester

Run the scenic Third Winchester Battlefield on April 25 with 5K, 10K and half marathon options plus a virtual race. Enjoy chip timing, a finisher medal and tech shirt while supporting Team Virginia and organ transplant awareness.

Massanutten Mountain Trails 100 Mile Run

Fort Valley

Run 100 mile through the rocky Massanutten Mountains in Fort Valley, Virginia, tackling rugged climbs and trails. With a 36 hour cutoff and volunteer staffed aid stations, this classic ultramarathon tests endurance and grit.

Farm 5K Benefit Run/Walk at Wardensville Garden Market

Wardensville

Enjoy a scenic 5K on trails across a 100 acre organic farm by the Cacapon River in Wardensville. This family friendly fundraiser benefits local volunteer fire and rescue and the Youth Giving Committee, with food and leashed dogs welcome.