 She has a personal best of 11.39 seconds in the 100 metres.She won a gold medal in the 4x100 m relay at the 2008 Summer Olympics with teammates Hanna Mariën, Élodie Ouédraogo, and Kim Gevaert in a time of 42.54 seconds, which set a new Belgian record.Borlée represented Belgium at the 2008 Summer Olympics in Beijing.