At the World Athletics Championships 1997 season in the 4 x 400 - meter relay bronze, as well as at the 1999 World Championships in the individual event over 400 meters.
In the Summer Olympic Games in Sydney in 2000, she won the 400m silver medal behind Cathy Freeman (AUS ) and before Katharine Merry (GBR ) and came with the relay to second place behind the meantime disqualifierten season of the United States.
In 2001 she took, under the name Fenton starting, at the World Championships in Edmonton along with Sandie Richards, Catherine Scott and Debbie -Ann Parris Season Gold 4-by- 400-meter and silver in the individual competition. In 2002, she ran her personal best 49.30 s. In the same year she was also Jamaican champion in the 400 meters. At the World Championships in 2003 was followed by a silver medal in singles and a bronze medal in the relay race. 2004 prevented a tendon injury at the Olympics. In 2005 she won at the World Championships in Helsinki again silver team before her career ended in 2006.
Fenton in 2000, together with Deon Hemmings, and elected in 2001 to Jamaica Sportswoman of the Year.
- 200 meters: 22.63 s, Kassel, June 13, 2001
- 400 meters: 49.30 s, Monaco, July 19, 2002