The march through downtown Fort Wayne that kicks off the 41st annual Three Rivers Festival. Grand marshal: Olympic volleyball gold medalist Lloy Ball, a Fort Wayne native. Also: Indianapolis Colts Cheerleaders and 10 local marching bands, among 130 participating units. The festival, featuring concerts, an arts fair, and events for children and seniors, runs through July 19 at Fort Wayne's Headwaters Park. "Imagine This" is the theme.