Usain Bolt push Bolt to do longer sprinting distances with the aim of making the 400 m event his primary event by 2007 or 2008. Bolt was less enthusiastic, and demanded that he feel comfortable in his sprinting. He suffered another hamstring injury in March 2006, forcing him to withdraw from the 2006 Commonwealth Games in Melbourne, and he did not return to track events until May. After his recovery, Bolt was given new training exercises to improve flexibility, and the plans to move him up to the 400 m event were put on hold. The 200 m remained Bolt's primary event
Usain Bolt the 400 metres in order to improve his speed, winning two races and registering 45.54 s in Kingston, and windy conditions gave him his first sub-10 seconds finish of the season in the 100 m in March. In late April Bolt, suffered minor leg injuries in a car crash. However, he quickly recovered following minor surgery and (after cancelling a track meet in Jamaica) he stated that he was fit to compete in the 150 metres street race at the Manchester Great City Games. Bolt won the race in 14.35 s, the fastest time ever recorded for 150 m. Despite