Rubuta ci gaba don wannan sakin layi - Kevin Patrick Callan dan wasan tseren tseren Amurka ne. A shekara ta 2017, ya lashe lambar azurfa a tseren tseren mita 4x200 a gasar zakarun duniya ta 2017
Ka yi haƙuri. A Wasannin Olympics na 2020, Callan ya kasance wani ɓangare na relay na 4x200-mita mai kyauta wanda ya ɗauki matsayi na huɗu.