Rubuta ci gaba don wannan sakin layi - A Wasannin Olympics na bazara na 2000 a Sydney, Machaira ta rage shirin ta sosai, tana yin iyo ne kawai a tseren mita 100. Ta sami matsayin FINA A-na 56.17 daga Gasar Turai
a birnin Helsinki na ƙasar 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.