24 Hours of Le Mans
Ronnie Bucknum / Sam Posey, North American Racing Team, Ferrari 512 S leads Vic Elford / Kurt Ahrens Jnr., Porsche KG Salzburg, Porsche 917 LH, Teddy Pilette / Gustave Gosselin, Racing Team VDS, Lola T70 Mk III B Chevrolet and Piers Courage / Andrea de Adamich, Autodelta SpA, Alfa Romeo T33/3