24 Hours of Le Mans: Guy Frèquelin / Jean Ragnotti / Josè Dolhem / Jean-Pierre Jabouille, Equipe Renault Elf Sport Calberson, Renault-Alpine A442A leads Brian Redman / Dick Barbour / John Paul Sr, Dick Barbour Racing, Porsche 935/77A - Porsche 930/78.
Guy Frèquelin / Jean Ragnotti / Josè Dolhem / Jean-Pierre Jabouille, Equipe Renault Elf Sport Calberson, Renault-Alpine A442A leads Brian Redman / Dick Barbour / John Paul Sr, Dick Barbour Racing, Porsche 935/77A - Porsche 930/78.