Bill Hartack was a Hall of Fame horse jockey. He and Eddie Arcaro are the only two jockeys to win the Kentucky Derby five times. Hartack also won the Preakness Stakes three times and the Belmont Stakes once.
During his riding career between 1953 and 1974 in the United States, Hartack rode 4,272 winners in 21,535 mounts. From 1978 to 1980, he raced in Hong Kong, and then retired in 1981. Hartack led the nation in races, won four times, and was the first rider to have purse earnings of $3 million in a season.
He was inducted into the National Museum of Racing and Hall of Fame in 1959 at the early age of 27.