Whakaotihia te rerenga e whai ake nei: I te 2012 Summer Olympics i Rānana, i wikitoria a Schmitt i ngā mētara e rima: e toru koura, kotahi hiriwa, kotahi parahi. I tana huihuinga tuatahi, te 4 × 100 mita relay freestyle, i wikitoria a Schmitt i te parahi me Missy Franklin, Jessica Hardy me Lia Neal, me te roopu US e tuatoru ana i muri i nga roopu relay wahine mai i Ahitereiria me te Netherlands. I te kaukau i te waewae punga, i wehewehea a Schmitt mo te 53.54 hēkona ka mutu te roopu me te wa katoa o te 3:34.24, he rekoata Amerika. I wikitoria a Schmitt i te mētara Olympic takitahi tuatahi o tana umanga, he hiriwa, i roto i te 400-mita taera, ana i te mahi pera, i whakatauhia te rekoata a Amerika mo te kaupapa. Ko tana wa 4:01.77 he 0.32 hēkona noa iho i muri i te toa a Camille Muffat. I roto i tana kaupapa takitahi tuarua me te whakamutunga, ko te 200-mita-kore, i wikitoria a Schmitt i te koura i a ia e whakatakoto ana i tetahi rekoata Orimipia hou mo te 1: 53.61, he rekoata hou a Amerika ano hoki. I roto i te whakataetae, i wikitoria a Schmitt i te taha o te 1.97 hēkona i runga i a Muffat. I te
4 × 200-mita relay freestyle, Schmitt riro tona koura tuarua i muri i haere Ahitereiria Alicia Coutts me runga i te mara ki te wehe o 1:54.09 rite te waewae pungawerewere. I runga ano i te wikitoria 4 × 200 mita roopu relay ko Missy Franklin, Dana Vollmer me Shannon Vreeland. I tana huihuinga whakamutunga, te 4 × 100 mita medley relay, i wikitoria a Schmitt i te koura me Missy Franklin, Rebecca Soni, me Dana Vollmer. I te kaukau i te waewae freestyle, i tuhia e Schmitt he waa 53.25, ana ka haere te roopu Amerika ki te whakatakoto rekoata o te ao me te waa 3:52.05, te whakapai ake i te rekoata Hainamana o 3:52.19 i whakaturia i te tau 2009.