Logo

The Devil's Key

Duntroon, Canada • 23 Aug 2025

The Devil's Key is a challenging trail running event held at Devil's Glen Country Club in Duntroon, Ontario, Canada. Sanctioned by Athletics Ontario, it offers three race distances: the Beast (66.6 km), the Half Beast (33.3 km), and the Mini Beast (15 km). The course features steep climbs and descents, including the highest point on the Bruce Trail, with cumulative elevation gains up to 6,000 feet for the longest race. Runners navigate technical terrain, crawl through the "keyhole" on the Keyhole Side Trail, and pass scenic landmarks like the Mad River and Freedom Rock. The event supports the Blue Mountains Bruce Trail Club and emphasizes a tough but memorable trail experience. Visit the organization's website for the most recent information.

Canada Ontario Duntroon

Race information

Registration
66 km
1829 m+
The Beast - 66.6km
33 km
762 m+
The Half Beast - 33.3km
15 km
366 m+
The Mini Beast - 15km
Visit the organization's website for the most recent information.
Trail runs nearby

Trails North Workshop

Glen Huron - 5 km from Duntroon

The Trails North Workshop, hosted by North of 89 Outdoors, is a comprehensive trail running event held at Devil’s Glen and Nottawasaga Bluffs. Designed for all skill levels, from novices transitioning from road running to experienced trail runners, the workshop focuses on improving technique and tra..

Falling Water Trail Marathon

Eugenia - 28 km from Duntroon

The Falling Water Trail Marathon and Half Marathon take place in Eugenia, Ontario, Canada, along the scenic Beaver Valley section of the Bruce Trail. This challenging trail event features a full marathon (approximately 42 km) and a half marathon (approximately 21 km), both with significant elevation..

Blue Bully Ultra

Collingwood - 12 km from Duntroon

The Blue Bully Ultra is Ontario's only three-day stage trail running race held at Blue Mountain Resort, featuring a weekend of diverse trail challenges from October 3-5, 2025. Runners can choose between the longer Big Bully or shorter Little Bully distances. Day 1, "The Stampede," is a fast 5km with..

Creemore Vertical Challenge

Creemore - 11 km from Duntroon

The Creemore Vertical Challenge is a trail running event held in Creemore, Ontario, featuring distances of 14K, 27.5K, 55K, and an 80K/50-mile race. The course combines approximately 70% gravel roads and 30% trails, winding through the scenic hills and private trails around Creemore, offering about..

Chill Session

Mulmur - 31 km from Duntroon

The Chill Session 2025, hosted by North of 89 Outdoors, is a trail running event held at the Mansfield Outdoor Centre in Mulmur. It features three race distances: a 10K with about 220m elevation gain, a 5K with 130m elevation gain, and a 1K kids' race for ages 10 and under. The courses are mostly si..