Sinister 7 Ultra

JUL
11
2026
Trail event in Blairmore, Alberta offering distances from a half marathon to 100 miles. The route is split into seven stages, open to solo runners or teams of up to seven with a 30 hours time limit.
Sat 11 Jul 2026
100 miles 50 miles 50 kilometers Half Marathon

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Sinister 7 Ultra

Sinister 7 Ultra takes place in Blairmore, in the Crowsnest Pass region of Alberta, Canada. The event offers multiple race formats and distances and accepts solo runners or teams of up to seven. Racers have 30 hours to complete the event.

The course is divided into seven stages, each highlighting a geographic or historic feature of the area. The race name refers to the Seven Sisters Mountain that sits above much of the route.

Race formats and distances listed for 2026 include:

  • 100 miles (solo)
  • 50 miles (solo)
  • 50 km (solo)
  • Half Marathon (first sections combined)
  • 100-mile relay, per person
  • Kids race

Teams can add teammates after initial registration by having them register individually and join the team; team registration requires at least two teammates to start. Entry fees vary by distance; examples shown include approximately $320 to $355 for the solo 100-mile, $295 to $325 for the solo 50-mile, $285 to $300 for the solo 50 km, $250 to $260 for the half marathon, about $250 per person for the relay, and $45 to $55 for the kids race. Visit the organization's website for the most recent information.

100 mi
Sinister 7 Solo  100-Mile
100 mi
Sinister 7 Relay  100-Mile
50 mi
Sinister 7 Solo  50-Mile
50 km
Sinister 7 Solo  50k
Half Marathon
Half Marathon
Sinister Kids Race