Mantario Marathon

The Mantario Marathon is a challenging, self-supported 2-day trail event held in Whiteshell, Manitoba, along the Mantario Trail. Covering 64 km over rugged terrain, participants start at the Caddy Lake South Mantario Trailhead, camp overnight at Moosehead Lake, and finish at the Big Whiteshell North Mantario Trailhead. The course features boreal forest, Canadian Shield landscapes, numerous water crossings, and significant elevation changes totaling over 1500 meters.

This "Fat Ass" event has no entry fee, aid stations, or official support, emphasizing self-reliance, navigation skills, and wilderness camping. Runners, hikers, and fastpackers of all genders are welcome to participate in this demanding and adventurous experience. Visit the organization's website for the most recent information.