Ferguson attended
St Andrew's School in Nassau, Bahamas and graduated in 1994. 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. In 2002, she was appointed as an ambassador for the
United Nations Food and Agriculture Organization. At the
2002 Commonwealth Games in
Manchester, England, she set the
championship record in the 100 metres and in the 4 × 100 m relay with the Bahamian team, recording a personal best of 10.91 seconds in the individual event. . At the
2008 Summer Olympics in
Beijing she competed at the
100 metres sprint. In her first round heat she placed second behind
Oludamola Osayomi in a time of 11.17 to advance to the second round. There she won her series to qualify for the semi-finals in a time of 11.21, this time finishing in front of Osayomi. Despite fellow Bahamian
Chandra Sturrup being unable to qualify for the final with a time of 11.22 in the first semi final, Ferguson managed to qualify with the same time as she finished fourth in her race, while Sturrup finished fifth in hers. In the final Ferguson came to 11.19 seconds, which was the 7th position. She followed this up with a win in the 200 m at the
Meeting Mohammed VI d' Athlétisme in
Rabat. 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. Now trains in Clermont, Florida, at the NTC. ==Major competition record==