24 Hours of Le Mans: Hurley Haywood / Peter Gregg / Reinhold Jöst, Martini Racing Porsche System, Porsche 936/77 - Porsche 911/78 leads Georges Bourdillat / Alain-Michel Bernhard / Jean-Luc Favresse, Georges Bourdillat, Porsche 911 Carrera RSR
Hurley Haywood / Peter Gregg / Reinhold Jöst, Martini Racing Porsche System, Porsche 936/77 - Porsche 911/78 leads Georges Bourdillat / Alain-Michel Bernhard / Jean-Luc Favresse, Georges Bourdillat, Porsche 911 Carrera RSR