Alberta, Canada · Sinister 7 Relay – 100-Mile · Half Marathon · Sinister Kids Race
Sinister 7 Ultra
Sinister 7 Ultra is a Sinister 7 Relay – 100-Mile, half marathon and Sinister Kids Race event held in Crowsnest Pass, Alberta, Canada. Its next confirmed date is Saturday, July 10, 2027. About 247 runners take part across all distances.
- Race day
- July 10, 2027
- Location
- Crowsnest Pass, AB
- Field size
- ~247 runners
Race details
- Date
- Saturday, July 10, 2027
- Location
- Crowsnest Pass, Alberta, Canada
- Distances
- Sinister 7 Relay – 100-Mile, Half Marathon, Sinister Kids Race
- Field size
- About 247 runners
- Course
- 21955 ft gain
- Registration
- raceroster.com
Registration, course & weather
- Registration status
- Open
- Start time
- 7:00 AM MDT
- Course profile — 100 Miles
- Loop course; Trail surface; 21955 ft gain, 21752 ft loss (estimated from third-party elevation data)
- Course profile — 50 Miles
- Loop course; Trail surface; 9793 ft gain, 9682 ft loss (estimated from third-party elevation data)
- Course profile — 50K
- Loop course; Trail surface; 7871 ft gain, 7871 ft loss (estimated from third-party elevation data)
- Course profile — Half Marathon
- Loop course; Trail surface; 3327 ft gain, 3327 ft loss (estimated from third-party elevation data)
About the Sinister 7 Ultra
Sinister 7 Ultra in Crowsnest Pass.
More half marathons in Alberta, Canada
Coming up next, by confirmed date.
-
Beneva Calgary MarathonCalgary, ABMarathonREGULAR BIB - Sunday Beneva 42.2 kmGREEN BIB - Sunday Beneva 42.2 kmREGULAR BIB - Sunday Centaur Subaru 21.1 km +6 more
-
Banff Half Marathon and 10KBanff, ABHalf Marathon10KReserved Registration (Not for general registration)
More upcoming races in Alberta, Canada
-
THE DARK: 24 Hours UndergroundBellevue, AB24-hour Category (9:00am Start)12-hour Category (9:00pm Start)6-hour Category (9:00am Start)3-Hour Category (5:00pm Start)
-
Stocking Stuffer Holiday Walk/RunCalgary, ABRegistration (ages 18+)Youth (ages 6 - 17)Child (ages 3 - 5)
Keep exploring
- All races in Alberta, Canada
- 5Ks in Alberta, Canada 22 upcoming races
- 10Ks in Alberta, Canada 14 upcoming races
- Half Marathons in Alberta, Canada 9 upcoming races
- Marathons in Alberta, Canada 1 upcoming race
- Half Marathons in the United States 1,668 upcoming races
- Summer Half Marathons
- July Half Marathons
- July races in Alberta, Canada
- Half Marathons in British Columbia, Canada 12 upcoming races
- Half Marathons in Saskatchewan, Canada 2 races listed
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Sinister 7 Ultra: common questions
- When is the Sinister 7 Ultra?
- The next confirmed date is Saturday, July 10, 2027.
- Where is the Sinister 7 Ultra held?
- In Crowsnest Pass, Alberta, Canada.
- What distances does the Sinister 7 Ultra offer?
- Sinister 7 Relay – 100-Mile, Half Marathon and Sinister Kids Race.
- How many people run the Sinister 7 Ultra?
- About 247 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Sinister 7 Ultra?
- Registration is handled by the organiser at raceroster.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Sinister 7 Ultra?
- Yes — registration is open. Listed fee for the longest distance, $310 (from raceroster.com, checked October 18, 2026).
- What time does the Sinister 7 Ultra start?
- 7:00 AM MDT.
Plan this race in RaceRove
Save it to your plan, compare it with other races and check typical race-day weather in the interactive app.