 From 1969 onwards the championship was contested over a number of rounds with Mallala hosting a round each year from 1969 to 1971 and from 1989 to 1998.From 1972 to 1988 all ATCC rounds in South Australia were held at the Adelaide International Raceway.In 1999 the Australian Touring Car Championship was renamed to the Shell Championship Series with all South Australian rounds from that time held at a modified (shortened) version of the Adelaide Street Circuit.