The 24 Hours of Daytona, also known as the Rolex 24 at Daytona for sponsorship reasons, is a 24-hour sports car endurance race held annually at Daytona International Speedway in Daytona Beach, Florida. It is run on the Sports Car Course layout, a 3.56-mile (5.73 km) combined road course that uses most of the tri-oval plus an infield road course. Held on the last weekend of January or first weekend of February as part of Speedweeks, it is the first major automobile race of the year in North America. The race is sanctioned by IMSA and is the first race of the season for the IMSA SportsCar Championship.

The race has borne the names of several sponsors over the years. Since 1992, the Rolex Watch Company has been the title sponsor of the race, replacing Sunbank, which replaced Pepsi in 1984. Winning drivers of all classes receive a Rolex Daytona watch.

The race has been known historically as a leg of the informal Triple Crown of endurance racing along with the 12 Hours of Sebring and 24 Hours of Le Mans.


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