Sinister 7 Ultra
The Sinister 7 Ultra is a grueling multi-distance trail race held in Alberta's Rocky Mountains, featuring 100-mile, 50-mile, and 50k courses with over 6,600m of elevation gain. The event takes place J...
The Sinister 7 Ultra is a grueling multi-distance trail race held in Alberta's Rocky Mountains, featuring 100-mile, 50-mile, and 50k courses with over 6,600m of elevation gain. The event takes place J...