<prompt> Bhala ukuqhubeka kwalesi sigaba - Ngemva kokungabikho iminyaka eyisishiyagalombili, uChang waqhudelana emidlalweni emibili kuphela kuma-Olympic Asehlobo ka-2008 eBeijing. Uzuze amazinga e-FINA B angama-25.78 50 m freestyle kanye nama-56.50 100 m freestyle eMqhudelwaneni Wokubhukuda waseDong-A e-Ulsan. Emncintiswaneni wamamitha ayikhulu, uChang uphonsele inselelo abanye ababhukudi abayisikhombisa ebangeni lesithathu, kuhlanganise no-Arianna Vanderpool-Wallace waseBahamas oneminyaka engu-18 ubudala. Wathumela isikhathi esingcono kakhulu sokuphila esingu-55.96 ukuze athole indawo yesine kanye nemizuzwana engamashumi amathathu nesishiyagalolunye jikelele ngo-0.34 wesekhondi ngemuva kukaBirgit Koschischek wase-Austria. Emncintiswaneni wamahhala wamamitha angu-50  <response>: , uChang ubekwe endaweni engamashumi amathathu nanye emncintiswaneni wasekuseni. Ebhukuda emjahweni wesishiyagalolunye, wagijimela endaweni yesihlanu ngesigamu seshumi somzuzwana 0.01 ngemuva kukaVictoria Poon waseCanada ngo-25.59. 