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 turned professional in 2004, beginning with the CARIFTA Games in Bermuda. He became the first junior sprinter to run the 200 m in under twenty seconds, taking the world junior record outright with a time of 19.93 s. For the second time in the role, he was awarded the Austin Sealy Trophy for the most outstanding athlete of the 2004 CARIFTA Games. A hamstring injury in May ruined Bolt's chances of competing in the 2004 World Junior Championships, but he was still chosen for the Jamaican Olympic squad. Bolt headed to the 2004 Athens Olympics with confidence and a new