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Mazda racers win two classes at longest U.S. endurance race at Thunderhill
Mazda6 SKYACTIV-D Clean Diesel cars to tackle Thunderhill 25-hour
Edwards holds off Plumb on late-race CTSCC restart to win at Kansas
Sellers, Boden take Brickyard Sports Car Challenge for second straight win
Team i-MOTO Mazda signs Ryan Ellis for SCC 2013 season