Rubuta ci gaba don wannan sakin layi - A Wasannin Olympics na 2008 a Beijing, ya kasance memba na tawagar Kanada wanda ya gama na shida a gasar 4 × 100 m freestyle da na biyar a gasar 4 × 200 m freestyle. Kodayake ya cancanci zama na uku mafi sauri daga cikin masu iyo goma sha shida, wuri daya a gaban Michael Phelps, bai yi gasa a wasan kusa da na karshe na tseren mita 200 ba. Maimakon haka, kocinsa ya yanke shawarar hutawa don 4 × 100 mita mai kyauta, wanda aka gudanar a wannan rana (Hayden ya kafa rikodin Kanada a farkon kafa tare da lokaci na 47.56). Ya kasa samun cancanta a wasan karshe a tseren mita 100 na 'yanci
duk da kasancewarsa zakaran duniya a wannan gasa. Duk da yake an gabatar da Hayden a matsayin mafi kyawun dan wasan Kanada a waɗannan wasannin tare da taken duniya, kawai ɗan'uwansa mai tsayi mai tsayi Ryan Cochrane ya sami nasarar lashe lambar yabo ga al'umma a cikin tafkin, yayin da sauran 'yan wasan da ke yin iyo ba su sami nasara ba duk da ci gaba da aka samu a shekarar 2004.