The 2013 Rolex 24 at Daytona was a long-distance motor race for sports cars conforming to the regulations of the Grand-Am Road Racing series. The 51st edition was raced between January 26 and 27. Michael Shank Racing is the defending champion in DP class and Magnus Racing in GT class. It was also the debut of the GX class for "purpose built, series produced and modified replicas of series produced automobiles that are not eligible for the GT class." It was the last time the 24 Hours of Daytona was part of the Rolex Sports Car Series.