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 a fresh start for Bolt in the form of a new coach, Glen Mills, and a new attitude toward athletics. Mills recognised Bolt's potential and aimed to cease what he considered an unprofessional approach to the sport. Bolt began training with Mills in preparation for the upcoming athletics season, partnering with more seasoned sprinters such as Kim Collins and Dwain Chambers. The year began well, and in July, he knocked more than a third of a second off the 200 m CAC Championship record with a run of 20.03 s, then registered his 200 m season's best at London's Crystal