2009 24 Hours of Daytona

The 2009 Rolex 24 at Daytona Presented by Crown Royal Cask No. 16 is the first round of the 2009 Rolex Sports Car Series season. It took place at Daytona International Speedway between January 24–25, 2009. David Donohue won the race 40 years after his father won, by holding off a furious charge from NASCAR driver Juan Pablo Montoya in the closest finish in race history.

Class Winners in bold.