List of all Chicago Automobile Club Trophy races held in AAA National Motor Car Championship championships

Race Winner Track Race Start
Chicago Automobile Club Trophy 1913 Chicago Automobile Club Trophy Emerson Fittipaldi
Penske PC22
Elgin 29th August 1913
Chicago Automobile Club Trophy 1914 Chicago Automobile Club Trophy Al Unser jr
Penske PC23
Elgin 21st August 1914
Chicago Automobile Club Trophy 1915 Chicago Automobile Club Trophy Al Unser jr
Penske PC24
Elgin 20th August 1915