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Devil Dog Ultras

Triangle, United States • 6 Dec 2025

Devil Dog Ultras is a trail ultramarathon in Prince William Forest Park, VA. It offers 100-mile, 100K, and 50K loops on trails with roots and rocks, plus fire roads. The first loop is 23 miles; subsequent loops are 19.5 miles.

The 50K is one loop plus a 9-mile extension; the 100M runs five loops and the 100K three. Each loop features stocked aid stations and water points; crew access is allowed at Camp Remi and Camp Toofy. It’s known for a quirky, enthusiastic volunteer crew and generous support.

2025 introduces the Dynasty Challenge with rewards and bunkhouse lodging. Visit the organization's website for the most recent information.

United States Virginia Triangle

Race information

Website Registration
100 mi
100-Mile
100 km
100k
50 km
50k
Visit the organization's website for the most recent information.
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