Sinister 7 Ultra

The Sinister 7 Ultra, held in Blairmore, Alberta, Canada, is Canada's biggest trail race featuring challenging distances including a 100-mile, 50-mile, 50k, half marathon, and relay options. The course is divided into seven stages, each highlighting the region's geographic and historic features, inspired by the imposing Seven Sisters Mountain. Participants can compete solo or in teams of up to seven, with a 30-hour time limit to complete the race.

The event offers a rugged and scenic trail running experience, attracting endurance athletes seeking a demanding ultra-distance challenge in a stunning natural setting. Visit the organization's website for the most recent information.