Rubuta ci gaba ga wannan sakin layi - Pietilä-Holmner ya lashe lambobin yabo biyar a gasar zakarun duniya, biyu a matsayin mutum daya da uku a cikin kungiyoyin. Ta kasance mai lambar azurfa a cikin babban slalom a 2007 a Åre, Sweden. Shekaru huɗu bayan haka a cikin 2011, ta sami lambar tagulla 2 a Garmish-Partenkirchen a cikin slalom da taron ƙungiya. A Schladming a shekara ta 2013
, ta lashe lambar azurfa a wasan kungiya. Ta dauki lambar yabo ta karshe ta Duniya a Gasar Zakarun Duniya ta 2017, inda ta kasance wani ɓangare na tawagar Sweden wanda ya gama na uku a wasan rukuni.