<prompt> Pedzisa mutsara unotevera:  <response>: 50 metres freestyle yevakadzi paMitambo yeOlympic yeZhizha ya2000 muSydney. Akapedza wechitatu muFINA A-kucheka kwe25.94 kubva kuCanada Olympic Trials muWinnipeg, Manitoba, asi akapa mumwe mukana wekuwana nzvimbo yechikwata, mushure mekunge Marianne Limpert afunga kuzvisunungura kubva pachiitiko ichi. Akadenha vamwe vanoshambira vanomwe mumakwikwi masere, kusanganisira ngano yeU.S. Dara Torres uye muAustralia anonyanya kufarirwa Susie ONeill. Achipinda ne 0.75-yechipiri yekushomeka, Rolland akapisa munda kuti adzivise mumwe wake weONeill Sarah Ryan kuti ave nenhamba yechinomwe nemucheto mudiki munguva ye26.04. Rolland akarasikirwa nesemifinals nechikamu chiduku chechipiri, sezvo akaisa makumi maviri nemaviri akazara kubva kune 74 vanoshambira mu prelims. 