Indy 500 is all set to race today afternoon. Indianapolis 500, the world's largest single-day sporting event, is a sold out, as per reports. Official attendance figures for “The Greatest Spectacle in Racing” are not announced, but there are an estimated 275,000 grandstand seats around the 2.5-mile oval and the total crowd, which includes general admission tickets on the infield, reaches an estimated 350,000.
Four-time IndyCar champion Alex Palou is the defending race winner and posted the fastest speed in Tuesday's first practice session.