Adam Peaty recorded a sixth individual World Championship gold medal after he retained his 50m breastroke title.
The 24-year-old has won both the 100m and the 50m breastroke finals at the last three World Championships.
Here, PA takes a look at all his individual World Championship gold medals.
2015, 100m (Kazan World Aquatics Championships)
Peaty set a new world record at the British Championships a few months before and built on his success in Russia as he became a World Champion for the first time in the 100m.
2015, 50m (Kazan)
Peaty recorded his second gold of the meeting in the 50m breastroke, after setting a new world record in the semi-final with a time of 26.42 seconds.
2017, 100m (Budapest)
In Hungary, Peaty retained his world title for the first time, winning the race with a then championship record of 57.47 seconds.
2017, 50m (Budapest)
In the 50m, the British swimmer broke his record twice, in the heats and in the semi-final when he became the first man to break the 26-second barrier with a time of 25.95 seconds, before successfully defending his title in the final.
2019, 100m (Gwangju)
Peaty became the first person to go under the 57-second barrier in the 100m breastroke in the semi-final, recording a time of 56.88 seconds, before a time of 57.14 was more than enough to secure gold in the final.
2019, 50m (Gwangju)
He added to his medal haul in the 50m on Wednesday, winning by 0.6 seconds to secure his sixth individual world title.