Thumb Coast Marathon

The event is held along Michigan's Lake Huron shoreline, starting in downtown Caseville and proceeding eastward to a finish in the community of Port Austin. The route is point-to-point and fully paved, with the course designed to showcase the region's characteristic Thumb Coast.Runners travel mainly along the waterfront, including a loop through Point Crescent State Park before culminating on Main Street in Port Austin. With its flat profile and minimal elevation change, the race is positioned a