Pa2012 U.S. Olympic Trials muOmaha, Nebraska, chiitiko chokugadzirira chikwata cheU.S. Olympic, Shanteau akapinda muchikwata cheU.S. Olympic nokuguma ari wechipiri pakumhanya mamita 100 nechipfuva. Mumitambo yeOlympic yeZhizha ya2012 muLondon, akaiswa pachinzvimbo chechina muchikamu chechipiri chemakwikwi ekupedzisira emamita zana uye haana kuenda kumagumo. Akagamuchira menduru yegoridhe nokushambira gumbo rechipfuva nokuda kwechikwata cheU.S. chakakunda mumatanho okutanga e4×100-metre medley relay
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