Dewick akaita mutambo wake wekutanga wepamusorosoro paakasarudzwa kuAustralia kunokwikwidza kuOceania Championships muna 1993. Nyeredzi paMitambo yeCommonwealth ya1994
muVictoria, British Columbia, Canada, akawana menduru yesirivha mumakwikwi emamita 100 ekumhanya kumusana, uye menduru yegoridhe mumakwikwi emamita 4×100 ekumhanya pamwe chete. Steven akasarudzwa somutambi akanakisisa pamitambo yacho nokuda kwokufamba kwake kumashure kwemamita 100.