24 Hours of Le Mans
Dr. Helmut Marko / Gijs van Lennep, Martini International Racing Team, Porsche 917 K, leads Erwin Kremer / Nicolas Koob / Günther Huber, Nicolas Koob, Porsche 911 S, and Richard Attwood / Herbert Müller, John Wyer Automotive Engineering, Porsche 917 K.