Backyard ultramarathons in Ontario, Canada

Backyard loop format ultramarathon on a long weekend in Ontario, last-one-standing challenge for all experience levels

Winding routes through active bear dens, historic moonshine shacks, rusted relics, and natural wilds of Arnstein, with unpredictable weather conditions

6.71km hourly trail loop on rugged terrain, backyard ultra style, with no set finish line and a communal base camp atmosphere

Looped course format with hourly starts, last runner standing, Canadian National Backyard qualifier, Bronze Coin level event