As early as 1992 she took part in the Junior World Championships. She reached the semi-finals, but was eliminated with 13.81 seconds (best time of the year).
The Jamaican experienced her big international breakthrough in 1999. She increased her personal best by more than 0.5 seconds. With 12.71 seconds it clearly undercut the important 13-second mark. She became internationally known through her appearance at the World Championships in Seville . There she reached the final and finished seventh with a time of 12.87 seconds. A year later, she narrowly missed medal ranks at the Olympic Games in Sydney . 12.80 seconds meant fourth place.