Kammala wannan jumla: Tregubova ta fara gasar Olympics ne, a matsayin 'yar wasa mafi ƙanƙanta ta Moldova (mai shekara 16), a gasar Olympics ta 2000 a Sydney, inda ta yi gasa a gasar
'yan mata na mita 50 da 'yanci. Ta yi iyo a zagaye na huɗu, ta yi nasara da Saida Iskandarova na Uzbekistan don ɗaukar zuriya ta biyar da na hamsin da huɗu gaba ɗaya da 0.23 na dakika a cikin 27.75.