Kwakye won a bronze medal in the 4x100 metres relay at the 2002 World Junior Championships, with teammates Jade Lucas-Read, Amy Spencer and Vernicha James. At the 2007 European Indoor Championships she finished fourth in the 60 metres. In the semi-final she recorded a time of 7.17 seconds, this being the fastest time by a British woman in the 60m since 1986.