<prompt> Thomas Allen Shields akaberekwa musi wa11 Chikunguru 1991 mutambi wekushambira wekuAmerica. Akakunda muOlympic kaviri uye ndiye achiri kutakura rekodhi yeAmerica mumakwikwi e200-metre butterfly. Mumitambo yeOlympics ya2016, Shields akahwina menduru yegoridhe mumakwikwi e4x100-metre medley relay yekushambira gumbo re butterfly re relay mumakwikwi ekutanga. Gare gare gore iroro akava muAmerica wokutanga kushambira nokukurumidza kupfuura masekondi 44 munhangemutange yebhatafurayi yemamita 100, achiisa chinyorwa chitsva cheAmerica che 43,84. Kwemitambo yeOlympic yezhizha ya2020, akakwanisa kushambira 100 metres butterfly  <response>: . 