Neighbour became Australian discus champion in 2001.[1] His personal best discus throw was 64.26 metres, achieved in May 2008 in Salinas, California. His personal best shot put was 18.95 metres, achieved in July 1998 in Melbourne.[2]
Aaron's sister Gabrielle Neighbour has won three senior national titles in Hammer Throw, and represented Australia three times in that event at the Commonwealth Games.