Kammala wannan jumla: Madarassy ya yi takara ga Hungary a gasar
maza 100 m malam buɗe ido a gasar Olympics ta 2008 a Beijing. Gabatarwa zuwa Wasannin, ya yi rikodin lokaci na 54.28 don haskaka FINA B-cut (54.70) da 0.42 na biyu a gasar cin kofin USA Swimming Grand Prix a Columbus, Ohio. Madarassy ya watsar da mafi kyawun rayuwarsa na 53.93 don buga bango tare da kammala na huɗu a zagaye na uku, yana bin mai nasara Rimvydas Šalčius na Lithuania da fiye da na biyu. Madarassy ya kasa ci gaba zuwa wasan kusa da na karshe, yayin da ya sanya na hamsin daga cikin masu iyo 66 a cikin prelims.