This is a list of circuits which have hosted a round of the Australian Touring Car Championship and the V8 Supercars Championship since the championship was first held at Gnoo Blas in Orange, New South Wales, in 1960. The shortest track used in the championship was the 1.94 km (1.21 mi) Amaroo Park circuit located in the Sydney suburb of Annangrove. The longest track used was the Longford Circuit which measured 7.242 km (4.500 mi). Sandown Raceway in Melbourne has hosted the most rounds with 51.