 After some success by the Mazda RX-2 and Mazda RX-3, the Mazda RX-7 won its class in the IMSA 24 Hours of Daytona race an amazing ten years in a row, starting in 1982.It also won eight IMSA GTU championships in a row from 1980 through 1987.The car went on to win more IMSA races in its class than any other model of automobile, with its one hundredth victory on September 2, 1990.