Sinister 7 Ultra

The Sinister 7 Ultra is Canada's largest trail race, taking place in Blairmore, Alberta. Participants can choose from various distances, including a 100-mile, 50-mile, and 50k race, as well as a relay option for teams of up to seven. The event features a challenging course divided into seven stages, each highlighting the area's geographic and historical significance.

Racers have 30 hours to complete the event, which is inspired by the nearby Seven Sisters Mountain. The race promotes camaraderie and competition among solo runners and teams alike, making it a premier event for trail running enthusiasts. Visit the organization's website for the most recent information.