 He is a two-time Chinese champion (once in 100 m and once in 200 m).He broke the Chinese record in the 4×100 metres relay on several occasions and is the joint holder of the current record of 37.92 seconds set at the 2015 Beijing World Championships.Son of former athletes, father was once an Asian record holder in the pole vault, mother a high jumper, Zhang began to compete on the national track and field circuit as a teenager in 2004, setting bests of 10.80 seconds for the 100 metres and 21.53 seconds for the 200 metres.