Pedzisa mutsara unotevera: Pashure pokunge asipo kwemakore masere, Chang akakwikwidza mumitambo miviri bedzi paMitambo yeOlympic yeZhizha ya2008 muBeijing. Akawana FINA B-mitemo ye25.78 (50 m freestyle) uye 56.50 (100 m freestyle) kubva kuDong-A Swimming Tournament muUlsan. Mumakwikwi emamita zana akasununguka, Chang akakwikwidza nevamwe vatambi vanomwe mumakwikwi matatu, kusanganisira Arianna Vanderpool-Wallace ane makore gumi nemasere wekuBahamas. Akanyora zvakanakisisa zvehupenyu hwe55.96 kuti awane nzvimbo yechina uye makumi matatu nemasere zvachose ne0.34 yechipiri shure kweAustria Birgit Koschischek. Mu
Mumakwikwi emamita 50 akasununguka, Chang akaiswa pachinzvimbo chemakumi matatu nechimwe chete mumakwikwi ekutanga mangwanani. Achishambira mumakwikwi mapfumbamwe, akamhanyira kunzvimbo yechishanu nechikamu chezana chechipiri (0.01) shure kweCanada Victoria Poon muna 25.59.