Kammala jumla mai zuwa: Gasior ya yi gasa ga tawagar 'yan Poland a wasanni biyu na iyo a Wasannin Olympics na bazara na 2008 a Beijing. Ya yi tsere zuwa lokaci na shida a cikin 1: 48.52 yana zuwa na karshe na takwas don ya nutse a ƙarƙashin FINA B-misali (1:48.72) ta kashi biyu na goma na biyu (0.2) a
Gasar zakarun Turai watanni biyar da suka gabata a Eindhoven, Netherlands. A cikin tseren mita 200 na 'yanci, Gasior ya kammala filin zuwa na takwas a cikin zagaye na karshe na zagaye takwas tare da takaici 1: 49.25, wanda ya kasance zakaran gasar Olympic Michael Phelps na Amurka da kuma mai tsere Park Tae-hwan na Kudu da kusan dakika hudu, kuma ya rasa wasan kusa da na karshe tare da kammala na talatin da hudu daga prelims. Gasior kuma ya haɗu tare da Łukasz Wójt, Michał Rokicki, da Przemysław Stańczyk a cikin tseren tseren mita 4 × 200. Yin iyo a cikin jagorancin tafiya, Gasior ya rubuta rabuwa na 1: 48.40, kuma ƙungiyar Poland ta ci gaba da kammala zagayen biyu a matsayi na bakwai da na sha huɗu gaba ɗaya tare da lokacin ƙarshe na 7: 18.09.