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 of a disciplined lifestyle, he became ever-more reliant on his natural ability to beat his competitors on the track. As the reigning 200 m champion at both the World Youth and World Junior championships, Bolt hoped to take a clean sweep of the world 200 m championships in the Senior World Championships in Paris. He beat all comers at the 200 m in the World Championship trials. Bolt was pragmatic about his chances and noted that, even if he did not make the final, he would consider setting a personal best a success. However, he suffered a bout of conjunctivitis