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 as his 22nd birthday would begin at midnight. Two days later, Bolt ran as the third leg in the Jamaican 4 × 100 metres relay team, increasing his gold medal total to three. Along with teammates Nesta Carter, Michael Frater, and Asafa Powell, Bolt broke another world and Olympic record, their 37.10 s finish breaking the previous record by three-tenths of a second. Powell, who anchored the team to the finishing line, lamented the loss of his 100 m record to Bolt but showed no animosity towards his Jamaican rival, stating that he was delighted to help him set his