Rubuta ci gaba don wannan sakin layi - Williams ya fi sanannun lashe lambar azurfa a tseren mita 200 a Gasar Cin Kofin Duniya ta 2001. A shekara ta 2001 an kira shi Jamaica Sportsman na Shekara. Williams ta yi gasa a wasannin Olympics sau uku, a 2000, 2004 da 2008, inda ta kai wasan kusa da na karshe na mita 200 a duk lokutan. Ya kasance a kan lambar tagulla ta lashe lambar yabo 4 x 400 mita relay
tawagar a gasar Olympics ta 2000. Ya gama na bakwai a wasan karshe na mita 200 a Gasar Cin Kofin Duniya ta 2007.