24 Hours of Le Mans: Rolf Stommelen / Manfred Schurti, Martini Racing Porsche System, Porsche 935/77 leads Jean-Pierre Jabouille / Derek Bell, Equipe Renault Elf, Renault Alpine A442.
Rolf Stommelen / Manfred Schurti, Martini Racing Porsche System, Porsche 935/77 leads Jean-Pierre Jabouille / Derek Bell, Equipe Renault Elf, Renault Alpine A442.