I was trolling the 'net for some trivia on sprinting ..

World professional sprint champions from Australia :

1920, Antwerp, Bob Spears (Bob was also runner up in '21 & '22)

1970, Leicester, Gordon Johnson

1975, Rocourt, John Nicholson

1976, Monteroni di Lecce, John Nicholson

1988, Ghent, Stephen Pate

1993, Hamar, Gary Neiwand

1995, Bogota, Darryn Hill

2002, Ballerup, Sean Eadie

For the women, no Australian women have won the world sprint championship (yet), Anna Meares was runner up in 2004 at the Melbourne world titles.