Hammond played for the national team between 1970 and 1980, competing at three World Championship; 1971, 1975 and 1979. At 180cm (5'11") tall, Hammond played as a Forward. Hammond was captain of the 1975 and 1979 squads and was considered a standout player for Australia during the 1970s. Hammond's lifelong ambition of playing basketball at an Olympic Games were dashed when following the 1980 pre-Olympic Qualification Tournament, the Opals failed in their bid to qualify for the Moscow Olympics.