The 1957 USAC Championship Car season consisted of 13 races, beginning in Speedway, Indiana on May 30 and concluding in Phoenix, Arizona on November 11. There were also five non-championship events. The USAC National Champion was Jimmy Bryan and the Indianapolis 500 winner was Sam Hanks. Hanks would retire from IndyCar racing following his Indy victory but still raced USAC Stock Cars until the end of this year. Keith Andrews was killed in crash while practicing for the Indianapolis 500; he was 36 years old.