Noah Lyles pledges to surpass Usain Bolt’s record after his fourth 200m gold

• American takes world 200m title in 19.52sec

• I can't wait to be the only man to win five 200m titles'

First Noah Lyles equalled Usain Bolt's record of four straight 200m gold medals at a World Athletics Championships. Then he promised the greatest sprinter that has ever lived that he would surpass him in two years' time.

I can't wait for 2027 to become the only man to win five 200m titles," said Lyles, who powered home in the second half of the race to win in 19.52sec, with his American compatriot Kenny Bednarek claiming silver in 19.58.