With John Konrads, Jon Henricks and Murray Rose, Dickson broke the world record on 6 August 1960, at the Tobruk Pool in Townsville, Queensland.

He narrowly missed a medal in the 4×200-metre freestyle relay, finishing fourth with Windle, Doak and Allan Wood.

[4] At the 1962 Commonwealth Games in Perth, Dickson finished third in the 110-yard freestyle, beaten by Dick Pound of Canada and Bobby McGregor of Scotland.

[5] Dickson was accorded the honour of carrying the Australian flag at the 1966 Commonwealth Games in Kingston, Jamaica.

[6] He then spent 14 years in Europe including operating an import-export business in the South of France and then being appointed the Head Coach for French Swimming.