 The 1961 Australian Grand Prix headlined the circuits second meeting with Lex Davison winning his fourth and last AGP driving a Cooper T51 Coventry Climax FPF.The original lap distance of 3.38 km (2.1 mi) was reduced to 2.601 km (1.616 mi) in late 1964 when Bosch Curve was moved closer to the Dunlop Curve Grandstand, thus removing the north eastern leg of the circuit.Mallala served as South Australia's home of motor sport throughout the sixties and it hosted a round of the Australian Drivers' Championship each year from 1961 to 1971.