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Sinister 7 Ultra

Crowsnest Pass, Canada • 11 Jul 2026

Event overview

Sinister 7 Ultra is a trail ultramarathon in Blairmore, Alberta, Canada, held on July 11, 2026. The course is divided into seven stages, each featuring a geographic or historic highlight of the area. The race name is inspired by the Seven Sisters Mountain that looms over much of the course. Racers have a 30-hour time limit to complete the event.

Race format and logistics

The event accepts solo runners and relay teams. Teams may include up to seven members, and team registration must begin with at least two teammates. Teammates can be added after initial registration and an access code can be used to control team membership. A separate Sinister Kids Race is held during the event. A Racer Information Package is available with full race details.

Distances

  • 100-miler
  • 50-miler
  • 50k
  • Half Marathon
  • 100-mile Relay (team)

Schedule notes

There are pre-race check-in and meetings the day before the race, and awards plus post-race brunch the day after. Visit the organization's website for the most recent information.

Canada Alberta Crowsnest Pass

Race information

Website Registration
100 mi
Sinister 7 Relay – 100-Mile
100 mi
100-Miler
50 mi
50-Miler
50 km
50k
Half Marathon
Half Marathon
Sinister Kids Race
Visit the organization's website for the most recent information.
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