Grandma's Marathon is one of the largest events held annually on Lake Superior's North Shore. Held on the third Saturday of June, the race starts in the town of Grand Marais and leads racers along the Scenic Highway to Duluth. With the finish line located in Canal Park, the event brings thousands of visitors to the area each year. About the Marathon Grandma's Marathon welcomes an estimated 18,000 participants for its three-race weekend. The races include the 26.2-mile Grandma's Marathon from Two Harbors to Duluth’s Canal Park, the 13.1-mile Garry Bjorklund Half Marathon also on Saturday, and the 3.1-mile William [...]