Heydon began playing senior football for St George-Budapest as a ten-year-old.
She was a member of the Budapest team that was undefeated in the New South Wales Metropolitan Ladies Soccer Association between 1971 and 1979.
[2][3] She played futsal in the late 1980s for Bankstown Tornadoes in the National Indoor Soccer League.
Her first recognised national cap was in 1978, though she didn't play a full international until 1979 against New Zealand.
This biographical article related to women's association football in Australia is a stub.