<prompt> Nyorai mberi kweiyi ndima - Pamakwikwi e2008 Summer Olympics muBeijing, Pastras akakwanisazve kumakwikwi evarume e100 m butterfly  <response>: kupfurikidza nokupfuura nguva yeFINA B-standard yekupinda ye53.45 kubva kuNioveia Grand Prix muThessaloniki. Akadenha vamwe vanoshambira vanomwe mumhanyi mumwe chetewo saAtene, kubatanidza vakwegura veOlympic Juan Veloz weMexico naMichal Rubáček weCzech Republic. Pastras akaenda kunzvimbo yechipiri ne0.17 yechipiri kuseri kweDenmark Jakob Andkjær, achiputsa zvese zvaakazvigadzirira uye rekodhi yechiGiriki yemasekondi 52.41. Pastras akakundikana kuenda kumasemifinal, sezvo akaisa makumi maviri neshanu kubva pavanoshambira makumi matanhatu nevatanhatu mumatanho ekutanga. 