Daytona 24 Hour Race. Won by Peter Gregg and Hurley Haywood in a Porsche 911 Carrera RS.
Peter Gregg and Hurley Haywood teamed to win the Daytona 24 Hours Sports Car race, round 1 of the 1975 Sports Car World Championship for Makes. Gregg and Haywood's Porsche 911 Carrera RS took the checkered 15 laps ahead of the 2nd place finisher as Porsche 911s swept the top 6 spots. The winning duo averaged 109.440 mph for the 24 hours, covering 684 laps around the 3.84 mile Daytona International Speedway road circuit.