United States GP: Pedro Rodríguez, Ferrari 1512, leads Jo Bonnier, Brabham BT7 Climax, Jo Siffert, Brabham BT11 BRM, and Bob Bondurant, Ferrari 158.
Pedro Rodríguez, Ferrari 1512, leads Jo Bonnier, Brabham BT7 Climax, Jo Siffert, Brabham BT11 BRM, and Bob Bondurant, Ferrari 158.