This is a Fat Ass event which means = no fee, no aid, no swag, no whining. The Mantario Marathon is a 2-day, 63K, self-supported Mantario Trail run (Walk - Run - Trek)
Caddy Lake Trailhead to Big Whiteshell Trailhead. Camp Halfway at Moosehead Lake.
Annually, on the Last Full Weekend of September, since 1980.
