 Filova akakwanisa kupinda mumakwikwi maviri ekushambira kumaOlympics ezhizha ra2012 muLondon, nekuwana FINA B-standard yekupinda nguva ye55.66 100 m freestyle uye 2:01.02 200 m freestyle kuSlovakia Grand Prix muguta rake rekuBratislava. Mumakwikwi emamita mazana maviri akasununguka, Filova akatarisana nevamwe vanomwe vanoshambira muchikamu chechipiri, kusanganisira aimbova shasha yeOlympic Camelia Potec wekuRomania. Achishambira mumugwagwa wechisere, Filova akakunda Jördis Steinegger wekuAustria kuti atore nzvimbo yechitanhatu uye makumi maviri nesere zvachose ne0.36 yechipiri muna 2:02.03. Muchiitiko chake chechipiri, 100 m freestyleFilova akawana imwe nzvimbo yechitanhatu mumakwikwi mana, chikamu chechina chechipiri 0.25 shure kweOlympic breaststroke champion Rūta Meilutytė weLithuania munguva ye56.58. Filova akakundikana kuenda kumasemifinal, sezvo akaisa makumi matatu nerimwe kubva pavanoshambira makumi mana nevapfumbamwe mumatanho ekutanga. 