Devil Dog Ultras

Triangle, United States • 5 Dec 2026

Devil Dog Ultras

Devil Dog Ultras is a trail ultramarathon held in Triangle, VA within Prince William Forest Park (Cabin Camp 5). The event offers multiple looped distances over primarily single-track trails with occasional roots, rocks, brief technical sections, spurts of fire road and rolling hills with no substantial climbs. The course is described as very well-marked.

Distances

  • 100 mile - five loops (first 23 miles; subsequent 19.5 miles)
  • 100K - three loops (first 23 miles; subsequent 19.5 miles)
  • 50K - one 23-mile loop plus a 9-mile loop

Each loop includes three staffed aid stations (Camp Remi start/finish, Camp Gunny, Camp Toofy) and three unmanned resupply points (RP Alpha, Bravo, Charlie) that provide only water. Crew access is allowed at Camp Remi and Camp Toofy only; there is no crew access at Camp Gunny or the resupply points. Time limits are 10 hours for the 50K, 20 hours for the 100K and 32 hours for the 100 mile.

Entry is limited to 300 runners and a waitlist will open if races fill. The 100 mile requires completion of a 50-mile race within the prior two years. Refunds and deferrals are not available; bib transfers are allowed under specified conditions with a fee and a Nov. 5 transfer deadline. Bunkhouse lodging is offered for registered runners with 75 beds available and on-site shuttle service for vehicles parked offsite. Visit the organization's website for the most recent information.

Race information

100 mi
100-Mile
100 km
100k
50 km
50k
Visit the organization's website for the most recent information.
Trail runs nearby

A 5K and 10K held at Nottoway Park in Vienna on July 11, 2026, with in-person and virtual entry options; published registration fees vary by entry date and include mandatory charges.

Experience the West Side Quarry trail race along the Rappahannock River in Fredericksburg. This 10k course features a steady climb and rolling hills with 426 feet of elevation gain for a dynamic running experience.

A 5K and half marathon run along the Chesapeake & Ohio Canal path in Georgetown Washington DC on July 25, 2026. Walkers are welcome and virtual entries are available with medal and shirt options.

A July trail event at Locust Shade Park in Triangle, VA offering 5K and 10K distances plus multiple virtual options. The courses run on shaded, scenic trails and walkers are welcome.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.