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. Open to solo runners and teams of up to seven, participants have 30 hours to complete the race.

The event offers a rugged and scenic trail running experience with multiple distance choices to accommodate various skill levels. It also includes a kids' race, making it a family-friendly event. Visit the organization's website for the most recent information.