The Devil's Key

Duntroon, Canada • 22 Aug 2026

Event overview

The Devil's Key 2026 is a trail running event at Devil's Glen Country Club, Simcoe County Road 124, Duntroon, Ontario. The course follows the Bruce Trail with some short sections on marked side trails. The event is sanctioned by Athletics Ontario and will direct $20 from each registration to the Blue Mountains Bruce Trail Club. Notable route features include the Devil's Glen ski hill, the "keyhole" side trail that requires crawling, sections along the Mad River, and climbs into Pretty River Valley Provincial Park up to the Bruce Trail high point (on the longest course).

Courses and support

  • 66.6 km - about 6000 ft cumulative climb; four major climbs; cut-off 12.5 hours.
  • 33.3 km - about 2500 ft elevation gain; cut-off 12 hours.
  • 16.66 km - about 1200 ft elevation gain; typical finish time 2-3 hours.

GPX files are provided for each course. Aid stations will be spaced less than 10 km apart and will offer drinks, salty and sweet snacks, and basic food items; the event is cup-less so participants must carry a collapsible cup or bottle. All participants receive a race kit that includes a race bib, sticker, shirt (unisex or women's cut), a skeleton key that must be carried and shown during the race, and a finisher medal. Runners must be off course before dark. Visit the organization's website for the most recent information.

Race information

67 km
66.6km - the Beast
33 km
33.3km - the Half Beast
17 km
16.66km - the Mini Beast
Visit the organization's website for the most recent information.
Trail runs nearby

Celebrate trails, hoodies, chili and beer at Chill Session 2025 at Mansfield Outdoor Centre. Choose a scenic 10K or 5K single track run or bring the kids for a free 1K, then relax with food, s'mores and a cold brew.

Join a half day trail running workshop at Devil's Glen and Nottawasaga Bluffs with an easy 5k social run, coach led tips on winter gear and training, and a take home plan. Enjoy a hearty lunch and support local conservation.

Run the Caledon Crusher on April 11, 2026 through the scenic, rugged Caledon Hills Bruce Trail with options from 25k to a 72k End to End challenge. Enjoy onsite food, a race shirt and finisher medal while supporting the Bruce Trail.

Take on Pick Your Poison, an annual April trail ultra around Horseshoe Heights near Barrie. Choose 12.5k, 25k or 50k loops, enjoy aid stations and boxed meals, and support mental health awareness.