24 Hours of Le Mans
Manfred Schurti / Rolf Stommelen, Martini Racing Porsche System, Porsche 935/78 leads Sam Posey / Michel Leclëre, Grand Touring Cars Inc, Mirage M9 - Renault and Guy Frèquelin / Jean Ragnotti / Josè Dolhem / Jean-Pierre Jabouille, Equipe Renault Elf Sport Calberson, Renault-Alpine A442A