Afar sano ka dib markii ay tartantay Olombikadeedii ugu horreysay, Steinegger waxay u qalantay kooxdeeda labaad ee Austria, iyadoo 29 jir ah, Olombikada Xagaaga ee 2012 ee London, iyadoo ku guuleysatay A-caadiga ah ee gelitaanka waqtiga 4:41.33 ee 400 m shakhsi ahaaneed
Waxaad Waxay la tartantay toddobo dabaalyahan oo kale heerka afaraad, oo ay ku jiraan Hannah Miley oo reer Great Britain ah, iyo difaacaya horyaalka Olombikada Stephanie Rice oo reer Australia ah. Waxay timid oo keliya kaalinta ugu dambeysa iyo 23-aad guud ahaan 0.19 ilbiriqsi oo ka dambeysa Talyaaniga Stefania Pirozzi, oo ka baxsan waqtigeeda rikoorka Austria ee 4:45.80. Dhacdada labaad, 200 m oo qaab xor ah, Steinegger waxay ku tartantay heerkulka labaad toddobo dabaasha kale, oo ay ku jiraan afar jeer oo Olympians ah Camelia Potec oo ka socota Romania (horay u difaacay horyaalka 2004), iyo Hanna-Maria Seppälä oo ka socota Finland (finish-ka afraad ee 100 m qaab xor ah 2008). Waxay ku dhameysatay kaalinta lixaad oo kaliya 0.36 ilbiriqsi oo ka dambeysa Slovakia's Katarína Filová 2:02.39. Steinegger, si kastaba ha noqotee, waxay ku guuldareysatay inay u gudubto semi-finalka, maadaama ay gashay kaalinta sagaal iyo labaatanaad ee 37-ka dabaasha ee heerarka hordhaca ah.