Mantario Marathon

The Mantario Marathon is a unique 2-day self-supported trail running event held in the Whiteshell, Manitoba, typically on the last full weekend of September. Participants traverse a challenging 64 km route along the Mantario Trail, camping overnight at Moosehead Lake. This "Fat Ass" event emphasizes self-sufficiency, requiring runners to carry all necessary gear, food, and water, with no aid provided along the trail.

The course features rugged terrain, significant elevation changes, and numerous water crossings, making it suitable for experienced trail users. The event fosters a spirit of adventure and camaraderie among participants. Visit the organization's website for the most recent information.