Cika wannan jumla: Majchrzak ya yi gasa a tseren mita 50 na 'yanci da
4 × 100m medley relay abubuwan da suka faru a lokacin wasannin Olympics na 2012. Ya gama na 10 a tseren mita 200 a wasannin Olympics na bazara na 2016 inda ya kafa sabon tarihin kasa na 1:46.30.