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 s finish in Athens, Greece. Although Mills still preferred that Bolt focus on the longer distances, the acceptance of Bolt's demand to run in the 100 m worked for both sprinter and trainer. Bolt was more focused in practice, and a training schedule to boost his top speed and his stamina, in preparation for the Olympics, had improved both his 100 m and 200 m times. Bolt announced that he would double-up with the 100 metres and 200 metres events at the Beijing Summer Olympics. As the new 100 m world-record holder, he was the favourite to win both races.