Pedzisa mutsara unotevera: Pamitambo yeOlympic yeZhizha ya2000 muSydney, Machaira akaderedza purogiramu yake zvikuru, achishambira mumakwikwi emamita 100 chete. Akawana FINA A-standard ye56.17 kubva ku
Makwikwi eEurope muHelsinki, Finland. Akadenha vamwe vanoshambira vanomwe mumakwikwi mashanu, kubatanidza ngano yeU.S. uye anodiwa zvikuru Dara Torres. Mumwe mutambi akasiya makwikwi acho achinzwa kupisa, Machaira akakunda Judith Draxler wokuAustria munharaunda yokupedzisira kuti awane nzvimbo yechitanhatu ne16-hundredths yesekondi mu57.24. Machaira akakundikana kuenda kumasemifinal, sezvo akaisa makumi maviri neshanu zvachose mumasekondi ekutanga.