Usain Bolt will compete at a major tournament for the last time over the next week at the IAAF World Championships in London. Ahead of the start of the action on Friday, here is a look at when Bolt is scheduled to compete in the two events he is running in, the 100m and 4x100m relay with the Jamaica team, in UAE time. <strong>Friday August 4</strong> <strong>11.20pm</strong> 100m heats <strong>Saturday August 5</strong> <strong>10.05pm</strong> 100m semi-finals <strong>12.45am (Sunday)</strong> 100m final <strong>Saturday August 12</strong> <strong>1.55pm</strong> 4x100m relay heats (Bolt may not run in this) <strong>12.50am (Sunday)</strong> 4x100m relay final