The 1975 USAC Championship Car season consisted of 13 races, beginning in Ontario, California on March 2 and concluding in Avondale, Arizona on November 9. The USAC National Champion was A. J. Foyt and the Indianapolis 500 winner was Bobby Unser.
(partial list)
All races running on Oval/Speedway.
Note 1: Bobby Allison and George Follmer are not eligible for points.<br> Note 2: Jerry Grant scored points at Ontario but competed with an FIA license.<br> Note 3: Bentley Warren scored 100 points at Pocono, but forfeited those points due to a rule violation.