Complex sentence: The 2012 race was the 59th running of the Macau Grand Prix, the 30th race for Formula Three cars, and was supported by the World Touring Car Championship Guia Race of Macau.
Split into simpler sentences: The 2012 race will be the 59th running of the Macau Grand Prix, and the 30th race for Formula Three cars. The event will be supported by the World Touring Car Championship Guia Race of Macau.