The 46th annual Grandma’s Marathon is a 26.2-mile race on scenic Highway 61 along the north shore of Lake Superior. It begins just outside of Two Harbors and finishes in Duluth’s Canal Park.

The Garry Bjorklund Half Marathon begins at 6:15 a.m. on the edge of Duluth’s city limits and follows the regular marathon course through the heart of Duluth.

The full marathon starts at 7:45 a.m. The winner should cross the finish line around 10 a.m.