Nyorai kupfuurira kweiyi ndima - Muna 1976, Kardong 6' 3" akapedza wechitatu muUnited States Olympic Trials yakaitwa muEugene, Oregon nenguva ye2:13:54. Muchirimo ichocho, muMontreal, Kardong akapedza ari wechina munhangemutange yemarathon yevarume
pamitambo yeOlympic yezhizha ya1976, masekondi matatu bedzi shure kwomukundi wendarira. Muna 1998, nharo dzakamuka pamusoro pokushandiswa kwe steroid nevatambi veEast Germany mu1976 Summer Olympics, kusanganisira Gold medalist Waldemar Cierpinski. Kudai menduru dzaizogoverwazve kuvatambi vasina kushandisa zvinodhaka chete, muAmerica Frank Shorter ndiye aizotora menduru yegoridhe; achiteverwa nomunhu akahwina menduru yesirivha Karel Lismont wokuBelgium uye akahwina menduru yendarira Don Kardong weTeam USA.