Daytona 24 Hour Race. Won by Danny Ongais, Hurley Haywood and Ted Field in a Porsche 935.
Danny Ongais, Hurley Haywood and Ted Field drove a Porsche 935 to victory in the 'Daytona 24 Hours' Sports Car race, round 1 of the World Championship for Makes. The Ferrari 365 of John Morton and Tony Adamowicz finished 2nd with the Porsche 935 of Rick Mears, Bruce Canepa and Monte Shelton 3rd. The winners completed 684 laps around the 3.84 mile Daytona International Speedway course, averaging 109.409 mph.