Mezue ahịrịokwu na-esonụ: N'ọdịdị Olimpik nke abụọ ya na Sydney 2000, Ozolina enweghị ike iru 16 kachasị elu na nke ọ bụla n'ime ihe omume ya, na-emecha iri anọ na ise na
50 m freestyle (27.28), na nke iri anọ na anọ na 100 m freestyle (59.28).