24 Hours of Le Mans
Jean-Pierre Jabouille / Patrick Depailler, Renault Sport, Renault-Alpine A443 leads Jacky Ickx / Henri Pescarolo / Jochen Mass, Martini Racing Porsche System, Porsche 936/78, Manfred Schurti / Rolf Stommelen, Martini Racing Porsche System, Porsche 935/78, Bob Wollek / Jörgen Barth / Jacky Ickx, Martini Racing Porsche System, Porsche 936/78, Didier Pironi / Jean-Pierre Jaussaud, Renault Sport, Renault-Alpine A442B and Hurley Haywood / Peter Gregg / Reinhold Jöst, Martini Racing Porsche System, Porsche 936/77 - Porsche 911/78, on lap 1.