Kammala wannan jumla: Stevenson ta fara aikinta ta zama Gwarzon Duniya na Junior a shekarar 1998. A shekara ta 2000, ta lashe matsayi na 3 a taekwondo a gasar wasannin Olympics ta 2000 na Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wadannan nasarorin sun sa ta shahara kuma sun jawo hankalin tauraron wasan tsere na Jackie Chan wanda ya tallafa mata yayin tallata fim dinsa "Shanghai Noon" a Burtaniya. Amma a wasannin Olympics na 2000 ta yi rashin nasara a kan Trude Gundersen na Norway a wasan kusa da na karshe da kuma Yoriko Okamoto na Japan a wasan tagulla. A shekara mai zuwa, ta zama zakaran duniya a
2001 Gasar Zakarun Taekwondo ta Duniya ta Mata ta Tsakiyar Tsakiya, ta doke Chen Zhong mai lambar zinare na wasannin Olympics na 2000 a wasan karshe. Ta zama zakarun duniya ta farko ta Taekwondo ta Burtaniya.