Usain Bolt pulls up during the Men’s 4×100 Meter Relay Final at the IAAF World Track and Field Championships in London.Usain Bolt pulls up during the Men’s 4×100 Meter Relay Final at the IAAF World Track and Field Championships in London.Usain Bolt rolls in his lane after pulling muscle during the Men’s 4×100 Meter Relay Final at the IAAF World Track and Field Championships in London.Usain Bolt is comforted by his teammates after pulling a muscle during the Men’s 4×100 Meter Relay Final at the IAAF World Track and Field Championships in London.
