24 Hours of Le Mans
Cars of Bob Wollek / Jörgen Barth / Jacky Ickx, Martini Racing Porsche System, Porsche 936/78 - Porsche 935/73, and Hurley Haywood / Peter Gregg / Reinhold Jöst, Martini Racing Porsche System, Porsche 936/77 - Porsche 911/78, in the pits.