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Sinister 7 Ultra

Crowsnest Pass, Canada • 11 Jul 2026

The Sinister 7 Ultra, held in Blairmore, Alberta, Canada, is Western Canada's largest trail race featuring multiple distances: 100-mile, 50-mile, 50k, half marathon, and a 100-mile relay. The challenging course is divided into seven stages, each highlighting the region's geographic and historic landmarks, inspired by the imposing Seven Sisters Mountain. Open to solo runners and teams of up to seven, participants have 30 hours to complete the race. The event offers a rugged, scenic trail running experience with options for various skill levels, including a kids' race. It is supported by sponsors like Merrell and Tailwind Nutrition. Visit the organization's website for the most recent information.

Canada Alberta Crowsnest Pass

Race information

Website Registration
100 mi
100-Miler
100 mi
Relay 100-Mile
50 mi
50-Miler
50 km
50k
21 km
Half Marathon
Visit the organization's website for the most recent information.
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