24 Hours of Le Mans
Bob Wollek / Jörgen Barth / Jacky Ickx, Martini Racing Porsche System, Porsche 936/78 leads Guy Frèquelin / Jean Ragnotti / Josè Dolhem / Jean-Pierre Jabouille, Equipe Renault Elf Sport Calberson, Renault-Alpine A442A and Sam Posey / Michel Leclëre, Grand Touring Cars Inc, Mirage M9 - Renault