Sinister 7 Ultra

Saturday, July 12, 2025 Past event

Crowsnest Pass, Alberta

6 races

Half Marathon, Ultra

Event summary

Get ready for an exhilarating adventure at the Sinister 7 Ultra, taking place on Saturday, July 12, 2025, in the stunning Crowsnest Pass, Alberta. This iconic ultra-marathon offers a range of challenges for both solo runners and teams of up to seven, with participants facing a 100-mile, 50-mile, 50k, or Half Marathon course. Runners will have 30 hours to conquer the grueling terrain divided into seven stages, each showcasing the breathtaking geography and rich history of the region. The event's name pays homage to the majestic Seven Sisters Mountain, which adds a thrilling backdrop to this ultimate test of endurance. Whether you're a seasoned ultra-runner or looking to experience the thrill of a relay, the Sinister 7 Ultra promises an unforgettable day filled with camaraderie and stunning scenery. Don’t miss this chance to challenge yourself and create lasting memories in one of Alberta's most picturesque locations!

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Races

Sinister Kids Race

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Half Marathon

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Sinister 7 Solo 100-Mile

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Sinister 7 Solo 50-Mile

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Sinister 7 Solo 50k

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Sinister 7 Relay 100-Mile

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Organiser's description

100-miler • 50-miler • 50k • Half Marathon • RelaySinister 7 is open to solo runners or teams of up to seven and racers have 30 hours to complete the grueling event. The course is split into seven stages, each featuring a geographic and historic highlight of the area. The race's name is inspired by the treacherous Seven Sisters Mountain that looms over much of the course.We have four distance options in the 2025 race: the 100-mile, the 50-miler (half of leg 4, + legs 5 through 7), the 50k (half of leg 1, half of leg 2, and leg 3), and the Half Marathon (half of leg 1, half of leg 2).Be sure to check out the Racer Information Package for full race details.