<prompt> Qedela umusho olandelayo: UBarrios waqhudelana kuphela  <response>: Abesifazane abagijimela ibanga elingamamitha angu-50 emidlalweni yama-Olympic asehlobo ka-2000 eSydney. Wathola isilinganiso se-FINA B-cut esingu-27.22 emidlalweni yasePan American eWinnipeg, eManitoba, eCanada. Uphonsele inselelo abanye ababhukudi abayisikhombisa ebangeni lesine, kufaka phakathi ukungeniswa kweRussia u-Yekaterina Tochenaya waseKyrgyzstan, kanye ne-Olympian yama-Olimpiki ephindwe kabili yaseYugoslavia uDuska Radan. Uvikele indawo yesikhombisa phezu kweGuineas Aissatou Barry ngomehluko omkhulu wamasekhondi angu-7.68 ku-28.11. UBarrios wehlulekile ukuqhubekela kuma-semifinals, njengoba wabeka isigaba sama-fifty-second jikelele kwabasubathi abangama-74 kuma-prelims. 