Rubuta ci gaba don wannan sakin layi - Kaeser ya cancanci shiga gasar tseren mita 200 na maza a gasar Olympics ta 2012 a London, ta hanyar karya rikodin Switzerland mai tsawo da kuma rufe FINA B-cut na 2:12.09 daga gasar zakarun Turai
a birnin Debrecen, na ƙasar Hungary. Ya kalubalanci wasu masu iyo bakwai a zagayen na huɗu, gami da manyan waɗanda aka fi so Clark Burckle na Amurka da Ryo Tateishi na Japan. Kaeser ya kammala filin zuwa matsayi na karshe da fiye da na biyu a bayan Ákos Molnár na Hungary a cikin 2: 13.49. Kaeser ya kasa ci gaba zuwa wasan kusa da na karshe, yayin da ya sanya na ashirin da hudu a cikin zafin farko.