Usain Bolt is injured during his last race

The Jamaican athlete, Usain Bolt , the fastest man on Earth said goodbye to the speed tracks with pain due to a muscular tear in the 4x100m IAAF World Championships London 2017 .

The glory was not for Bolt, who retires as the greatest athlete of all times, the triumph was for Great Britain with a time of 37.47seconds .Second place was for the United States with 37.52 seconds and bronze was for Japan with 38.04 seconds.

Bolt has been a World Champion eight times and an Olympic Champion eight times as well.

It was the most dramatic end of his otherwise brilliant career.

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