The Chicago Yacht Club Race to Mackinac is a 333-mile (289 nmi; 536 km) annual yacht race starting in Lake Michigan off Chicago, Illinois, and ending in Lake Huron off Mackinac Island, Michigan. It is hosted and managed by the Chicago Yacht Club. The "Mac" (as it is known) was first run in 1898 and is the oldest annual freshwater distance race in the world. The race hosts several hundred competitors each year and over 3,000 sailors.