The 4th annual Devil Dog Ultras
100-mile and 100k trail races
Prince William Forest Park, Triangle, Virginia
Dec. 7-8, 2019
Registration will open via UltraSignup on July 4. In the meantime, sign up for news alerts.
Find out everything you need to know about when registration opens, what you need to do to confirm your eligibility to enter, and more.
If you're dying to know all the nitty-gritty about the race itself — the course, the elevation gain, the location of aid stations — it's all right here.
Crew & Pacers
So you're going to spend the night tending to a grumpy runner who turns into a colicky toddler at 3 a.m.? This is where you find out what you need to know.
'Loops! I love to run the loops, yes?!' - Killian Journey