Grandma's Marathon

Grandma’s Marathon takes place in Duluth, Minnesota, featuring a weekend of races including the full Grandma’s Marathon, the Garry Bjorklund Half Marathon, and the William A. Irvin 5K, along with various youth events. The flat, fast course runs along the shores of Lake Superior, with thousands of spectators offering energy from start to finish in Canal Park.

The event attracts runners from around the world—more than 20,000 participants from over 50 countries and all 50 states—supported by a robust volunteer network. Emphasizing community, accessibility, and an authentic Duluth experience, Grandma’s Marathon combines world-class racing with small-town charm. Visit the organization's website for the most recent information.