United States GP: Peter Ryan, Lotus 18/21 Climax leads Innes Ireland, Lotus 21 Climax, Jim Clark, Lotus 21 Climax and Jo Bonnier, Porsche 718.
Peter Ryan, Lotus 18/21 Climax leads Innes Ireland, Lotus 21 Climax, Jim Clark, Lotus 21 Climax and Jo Bonnier, Porsche 718.