Sinister 7 Ultra
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Event overview
Sinister 7 Ultra is a trail race held in Blairmore, Crowsnest Pass, Alberta, Canada on July 11, 2026. The course is divided into seven stages, each highlighting a geographic or historic feature of the area. The event name refers to the Seven Sisters Mountain that sits along much of the course. Solo runners or teams of up to seven may enter. Participants are given 30 hours to complete the full event.
Race format and logistics
Distances and formats include:
- 100-mile solo or relay.
- 50-mile (specified as half of leg 4, plus legs 5 through 7).
- 50k (specified as half of leg 1, half of leg 2, and leg 3).
- Half Marathon (half of leg 1 and half of leg 2).
- Relay teams for the 100-mile distance.
Team registration notes: a team must start with at least two teammates to register. Teammates can be added after initial registration and an access code can be enabled to limit team joining. The event includes a Sinister Kids Race. Sponsors listed for the event include Merrell, Sun River Honey, Fenix, Fast Trax, and Tailwind. The event schedule includes pre-race check-in and meetings, post-race awards and meals, and course closing times across the race weekend. Visit the organization's website for the most recent information.