Available distances
About
Devil's Den Ultra is a trail event held in Bradford, Vermont, on October 10, 2026. It offers a 30-Hour and a 12 Hour timed race, both starting at 7:00 a.m., alongside a 6 Miler (9.7 km) that starts at 8:00 a.m.
Timed formats let you decide your own distance, which is what makes them approachable. The 12 Hour is an inviting first ultra: you can run and walk as you like and stop whenever you choose, with the total miles as your result. The 30-Hour is a different beast, stretching through an entire night and into a second day, and it suits runners who already know how they handle sleep deprivation and long hours on their feet. The 6 Miler gives friends and family a way to share the day on the same Vermont trails. For the timed races, build 16 to 20 weeks of training around long runs and long hikes, then add a night session to test your headlamp and cold-weather layers, since Vermont nights in October get cold fast. Fueling every hour and rotating dry socks will keep you moving.
Prepare for Devil's Den Ultra with RunRun
An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.
- Personalized plan based on your VO2max, history and weekly availability
- Strava and Garmin sync: your sessions are analyzed and the plan adapts
- Target paces, long runs, key sessions: everything is calculated for race day
Races nearby
Other upcoming races around Bradford.
The Royal (multi) Mile Hill Run
Sep 20, 2026 · Lincoln, NH · 23 mi away
3.1 mi
Granite City 5k
Nov 7, 2026 · Barre · 24 mi away
3.1 mi
Franconia Notch Half Marathon
Oct 24, 2026 · Franconia, NH · 25 mi away
13 mi
ASP's Franconia Notch Half Marathon
Oct 24, 2026 · Franconia · 25 mi away
13.1 mi
Autumn Onion 5K Costume Race
Oct 31, 2026 · Montpelier · 29 mi away
3.1 mi
CVR New Year's Eve 5K
Dec 31, 2026 · Montpelier · 29 mi away
3.1 mi