Pedzisa mutsara unotevera: Pamakwikwi eOlympic a2012 muOmaha, Nebraska, mumakwikwi ekufanoronga kuenda kuU.S. Olympic Team, Hansen akakunda mumakwikwi ekupedzisira emamita 100 ekurova chipfuva, zvichibva zvaita kuti akwanise kuenda kumakwikwi aya uye kumakwikwi eOlympic a2012. Akakwikwidzawo munhangemutange yemamita 200 uye akapedza ari wechina. Mumitambo yeOlympic yeZhizha ya2012 muLondon, Hansen akapedza ari wechitatu mumamita zana ekurova chipfuva kuti awane menduru yebronze, uye akahwina menduru yegoridhe senhengo yechikwata cheU.S. chakahwina mumakwikwi eOlympic.
4×100-mita medley relay. Pakupera kwemitambo yacho, Hansen akasarudza kuti Mitambo yeOlympic ya2012 yaizova musangano wake wokupedzisira, achirega mutambo wekushambira.