Kammala jumla mai zuwa: Martyn shi ne Manajan Gudanar da Weightlifting / Kocin don Teamungiyar Ostiraliya a Wasannin Daular Burtaniya da Wasannin Commonwealth na 1966, Mataimakin Babban Manaja a Wasannin Commonwealth na 1974 da Babban Manaja a Wasannin Commonwealth na 1978. Ya kasance Shugaban Kungiyar Wasannin Commonwealth na Australiya daga 1979 zuwa 1987. A matsayinsa na shugaban kasa, ya taka muhimmiyar rawa wajen shirya taron.
Wasannin Commonwealth na shekarar 1982 a Brisbane.