Margaret Adele Parker-Koscik (athletics) won gold in the women’s javelin at the Kingston 1966 British Empire and Commonwealth Games. She emerged as a junior at national level in the mid-1960s, coming second at the national junior championships in 1964, then returning to win in 1965. At senior level she was twice runner-up at the Australian Athletics Championships, first in 1965 then again in 1971. She defeated former champion and fellow Australian Anna Pazera in the final, throwing the spear 51.38 m (168 ft 6+3/4 in) to top the podium. She married fellow Australian athlete Sig Koscik in 1972.