The Indianapolis 500 is an annual 200 lap, 500 mi (800 km) American open-wheel car race that takes place on the weekend of American Memorial Day at the 2.5 mi (4.0 km) Indianapolis Motor Speedway, in Speedway, Indiana, an enclave of Indianapolis. It was first held under the title International 500-Mile Sweepstakes Race between 1911 and 1915 before becoming the 300-Mile Liberty Sweepstakes and then reverting to International 500-Mile Sweepstakes Race from 1920 until 1980. The American Automobile Association were the governing body of the event between its inception until 1955, then United States Auto Club from 1956 to 1997, and the Indy Racing League/IndyCar from 1998 onwards. Since 1936, each winning driver and team is presented with a small replica of the art deco sterling silver Borg-War