Mezue ahịrịokwu na-esonụ: Dị ka onye na-agba ọsọ, Coulthard meriri ọlaọcha na 1977 Golden Spin nke Zagreb na aha mba Australia n'oge 1979-1980 oge. Ọ gbara onye nke iri abụọ na asatọ na
1979 World Championships na Vienna, Austria, na nke iri abụọ na anọ na 1980 World Championships na Dortmund, West Germany. Australia họọrọ ịghara iziga ya na 1980 Olympics, na-eduga na mkpebi ya ịgbanwe gaa na nchịkwa.