Rubuta ci gaba don wannan sakin layi - A ƙarshen 2011 Shim ya sanya Koriya ta Kudu ta Koriya ta Kudu a gasar zakarun duniya a shekara ta 14. A watan Janairun 2012, ta halarci wasannin Olympics na matasa na hunturu
da aka gudanar a Innsbruck, inda ta shafe duka nau'ikan mutum (500 m, 1000 m). Ta kuma sami lambar tagulla a tseren mita 3000 da aka haɗu da ƙasa / jinsi a matsayin memba na ƙungiyar da aka haɗu da 'yan wasan motsa jiki da ke wakiltar ƙasashe daban-daban.