24 Hours of Le Mans: Rolf Stommelen / Manfred Schurti, Martini Racing Porsche System, Porsche 935/77 leads Sam Posey / Michel Leclëre, Grand Touring Cars Inc., Mirage GR8 - Renault.
Rolf Stommelen / Manfred Schurti, Martini Racing Porsche System, Porsche 935/77 leads Sam Posey / Michel Leclëre, Grand Touring Cars Inc., Mirage GR8 - Renault.