24 Hours of Le Mans
Jürgen Barth / Hurley Haywood / Jacky Ickx, Martini Racing Porsche System, Porsche 936/77 - Porsche 911/78, leads Patrick Tambay / Jean-Pierre Jaussaud, Equipe Renault Elf, Renault Alpine A442, and Toine Hezemans / Tim Schenken / Hans Heyer, Gelo Racing Team, Porsche 935 - Porsche 930/72.