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Indianapolis 500, U.S. automobile race held annually from 1911, except for the war years 1917–18 and 1942–45. The race, which is 500 miles (800km), is always run at Indianapolis Motor Speedway in Speedway, a suburban enclave of Indianapolis, Indiana. Known as “The Greatest Spectacle in Racing,” it is considered the premier event of the IndyCar Series. Drawing crowds of several hundred thousand people, the Indianapolis 500 is among the world’s best-attended single-day sporting events. It...