He won the South Australian Championship in 1957 at Rowley Park , the Victorian Championship in 1959 and again in 1961 as well as the NSW championship at the Showground in 1960 .
Mckinlay was also successful in various Australian state championships .
Mckinlay won the South Australian Championship in 1957 at Rowley Park , the Victorian Championship in 1959 and again in 1961 as well as the NSW championship at the Showground in 1960 .
Mckinlay was also successful in various Australian state championships .