Her performance in the 100 m remains a personal best, and her time in the 200 m was a commonwealth games record and fastest by any athlete that year.

[6] She failed to reach the finals at the 2007 World Championships, unable to compete with the new generation of American and Jamaican sprinters.

In 2014 Ferguson-McKenzie became the women's sprints and hurdles coach for the track and field program at the University of Houston.

Ferguson graduated from University of Georgia from where she launched her senior athletics career since which she has gained medals at the Summer Olympics, IAAF World Championships in Athletics, Commonwealth Games and Pan American Games.

[10] At the 25th Vardinoyiannia in Rethymno, Greece, she ran a world-leading time of 22.32 seconds to win the 200 m and set a meeting record.

On 16 October 2002 Debbie Ferguson-McKenzie was nominated Goodwill Ambassador of the Food and Agriculture Organization of the United Nations (FAO).