Grandma's at 50: How Duluth marathon transformed city

In 1977, the year of the first Grandma’s Marathon, the idea of over 100 people willingly running more than 26 miles in sweltering temperatures in the low 80s was, if not absurd, at least a strange curiosity. "Those were the dark ages of road running,” recalled Garry Bjorklund, who grew up in nearby Twig, Minn., […]