In February 2013, Lee carried on her good form and won gold in the women's 500m time-trial at the World Track Championships in Belarus. She became the first female and third overall athlete from Hong Kong to wear rainbow jersey. After the gold, Lee beat Guo Shuang of China in Women's Sprint and won a bronze medal, securing her second medal in Minsk. This is the first time any HK athlete won multiple medals at a World Championship event.