Kammala wannan jumla: Oleksiak ya sake kasancewa cikin tawagar Kanada a gasar
4 × 200 m freestyle relay, amma duk da karya rikodin Kanada a wasan karshe, tawagar ta gama a matsayi na hudu, daya daga cikin jerin abubuwan da suka fi dacewa da lambar tagulla a Rio. Ta gaba ta fafata a tseren mita 100 na 'yanci, inda ta lashe zinare shekaru hudu da suka gabata. Ta cancanci shiga zagaye na zagaye da zagaye na karshe zuwa zagaye na karshe, ta kafa sabon tarihin sirri da na kasa tare da wasan karshe na 52.59 na biyu, ta kammala na hudu a bayan Cate Campbell wanda ya lashe lambar tagulla da 0.07 seconds. Ta bayyana juyinta a matsayin "abin takaici", amma "har yanzu ita ce ta huɗu a duniya don haka ba na gunaguni". Wannan shine mafi girman matsayin Oleksiak a cikin babban gasa na mutum 100 m tun lokacin da ta lashe lambar zinare a Rio.