Ka kammala wannan magana: A Wasannin Olympics na shekara ta 2000 a Sydney, Machaira ta rage yawan lokacin da take yi a wasannin, kuma ta yi tseren ninkaya na mita 100 kawai. Ta samu FINA A-misali na 56.17 daga
Gasar zakarun Turai a Helsinki, Finland. Ta kalubalanci wasu 'yan wasa bakwai a zagaye na biyar, ciki har da tarihin Amurka da kuma Dara Torres da aka fi so. Tare da wani mai iyo da ke tsere daga tseren a cikin zafinta, Machaira ya fitar da Judith Draxler na Austria a zagaye na karshe don karɓar na shida a cikin 16 da ɗari na biyu a cikin 57.24. Machaira ta kasa ci gaba zuwa wasan kusa da na karshe, yayin da ta sanya na ashirin da biyar a gaba ɗaya a cikin prelims.