24 Hours of Le Mans
Vic Elford / Gèrard Larrousse, Martini International Racing Team, Porsche 917 LH leads Jo Siffert / Derek Bell, John Wyer Automotive Engineering, Porsche 917 LH, Josè Juncadella / Nino Vaccarella, Escuderia Montjuich, Ferrari 512 M and Mark Donohue / David Hobbs, North American Racing Team (Roger Penske/Kirk F. White), Ferrari 512 M