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 gained a psychological advantage over fellow Olympic contender Gay. In June 2008, Bolt responded to claims that he was a lazy athlete, saying that the comments were unjustified, and he trained hard to achieve his potential. However, he surmised that such comments stemmed from his lack of enthusiasm for the 400 metres event; he chose not to make an effort to train for that particular distance. Turning his efforts to the 200 m, Bolt proved that he could excel in two events—first setting the world-leading time in Ostrava, then breaking the national record for the second time with a 19.67