Massanutten Mountain Trails 100 Mile Run

MAY
15
2027
Mountain trail ultramarathon in Virginia offering 100 mile and 100 km options on rocky singletrack with long cumulative ascent and a 36 hour cutoff for the 100 mile race.
Sat 15 May 2027
100 miles 100 kilometers

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About the race

The Massanutten Mountain Trails 100 Mile Run is scheduled for May 15, 2027 and is the 31st running. The event is based at Caroline Furnace Lutheran Camp in Fort Valley, Virginia, within the Massanutten Mountains and the George Washington National Forest in the Shenandoah Valley.

Distances:

  • 100 miles
  • 100 km

The course runs on rocky trails and singletrack and includes short but rugged mountain climbs. Total ascent is approximately 18,500 feet for the 100 mile course and 11,250 feet for the 100 km course. The 100 mile race has a 36 hour cutoff.

Entry opens on October 31, 2026 at 8:00 am. The event provides a Participants' Guide and a separate Medical Emergency Plan with contact information and directions to the nearest medical facilities from each aid station. Information pages cover drop bags, crew instructions, pacers, a solo division, lodging on-site and off-site, and volunteer roles. The organizing club sponsors four training runs on the course that begin on Martin Luther King weekend in January and usually continue into April. Results, course records, and race history are published for prior years. Sponsors for 2026 are acknowledged. Visit the organization's website for the most recent information.

100 mi
100-Mile
100 km
100-Km

Events nearby

A 110-mile Massanutten trail ultramarathon with 22,300 feet of elevation, a 48-hour limit, required second half crew support, limited course markings, and no medical coverage on course.
A community day at John Paul the Great Montessori Academy featuring a 2 mile obstacle trail run, a 2 mile no obstacles run, a 1 mile kids obstacle and family activities.
Evenstar Ultras is a timed trail event at Shenandoah River State Park with 3, 6, 12 and 24 hour options on a 3.48 mile loop. Frequent returns to the main aid station reduce the need to carry heavy gear.
A minimally marked 40.3 mile loop through the Massanutten Mountains that passes historic furnace ruins about halfway. The course has three aid stations, 6500 feet of climbing, and requires self navigation and self support.
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