For over a century, hearty sailors have made the 333-mile trek across Lake Michigan from Chicago to Mackinac Island, in the world’s longest annual freshwater distance race. This Saturday, for the 101st time an armada of 350 sailboats will embark on the Chicago Yacht Club Race to Mackinac. For those who want to learn more about the Mac, The Trib answers a number of common questions about who races, how long it takes and which are the boats to watch. more ›