Watkins Glen 6 Hours: Andrea de Adamich / Ronnie Peterson, Autodelta SpA, Alfa Romeo T33/3 leads Henri Pescarolo / Rolf Stommelen, Autodelta SpA, Alfa Romeo T33/3 and Jim Locke / Bob Bailey, Locke Development Corporation, Porsche 911 S.
Andrea de Adamich / Ronnie Peterson, Autodelta SpA, Alfa Romeo T33/3 leads Henri Pescarolo / Rolf Stommelen, Autodelta SpA, Alfa Romeo T33/3 and Jim Locke / Bob Bailey, Locke Development Corporation, Porsche 911 S.