Rolex Sports Car Series

The Rolex Sports Car Series is the premiere series run by the Grand American Road Racing Association. It is a North American-based sports car series that was founded in 2000 under the name Grand American Road Racing Championship to replace the failed United States Road Racing Championship. Rolex took over as series sponsor in 2002.

It has run with a mixture of classes of sports prototypes and Grand Touring-style cars over the years. In 2003, the series debuted their custom prototype chassis, known as Daytona Prototypes, named after their premiere event, the Rolex 24 at Daytona.

History

Following the failure of the United States Road Racing Championship in 1999, the new Grand American Road Racing Association announced their intentions to adopt a format similar to the one used in the USRRC, centering around the 24 Hours of Daytona. This series was seen as an alternative to the former IMSA GT Championship, which had since been replaced by the American Le Mans Series in 1999. The new series would run two classes of Sports Racing Prototypes identical to the rules used in the new FIA Sportscar Championship in Europe, while Grand Touring-style cars would consist of three classes: GTO for larger production-based race cars, GTU for smaller production-based race cars, and AGT for American tube frame cars. The league would also acquire the Six Hours of Watkins Glen, giving the league a second endurance race alongside the Rolex 24 at Daytona to compete with the ALMS' 12 Hours of......
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