She broke onto the world scene in 1999 when she improved her best by more than half a second. Achieving the result of 12.52 in 2000, she finished fourth at the 2000 Olympics. In Athens 2004, however, she only reached the semi final. She did not beat her own personal best until April 2004 in Denton, Texas, when she lowered it by 1/100 second.
She won the 100 m hurdles at the 2009 national championships, giving her the opportunity to compete at the 2009 World Championships in Athletics in Berlin that year where she won another bronze medal.