<prompt> Qedela umusho olandelayo: Emidlalweni yama-Olimpiki yaseLondon ngo-2012, uSjöström waqhudelana emidlalweni emine ngawodwana, wafinyelela kuma-semi-final emidlalweni emibili ye-Olympic yaseLondon ngo-2012.  <response>: I-50 m freestyle, i-100 m freestyle ne-200 m freestyle, futhi iqede indawo yesi-4 ekugcineni kwe-100 m butterfly ngesikhathi esingu-57.17. Irekhodi lomhlaba likaSjöström laphulwa kulo mncintiswano nguDana Vollmer wase-United States. Kodwa ngo-2015 uSjöström wabuyisa irekhodi lomhlaba ngokulithuthukisa kabili eMqhudelwaneni Womhlaba eKazan. 