<prompt> Pedzisa mutsara unotevera: Pamitambo yeOlympic yeZhizha ya2008 muBeijing, VaPastras vakakwanisazve kuenda kumakwikwi e  <response>: varume 100 m shavishavi nokudzikatidza FINA B-mureza kupinda nguva 53.45 kubva Nioveia Grand Prix muTesaronika. 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. 