The United States' Ryan Crouser defended his men's shot put World Championships title in Budapest ©Getty Images

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The United States' Ryan Crouser twice beat his own men's shot put World Championships record of 22.94m in Budapest, including a 23.51m final attempt ©Getty Images
The United States' Ryan Crouser twice beat his own men's shot put World Championships record of 22.94m in Budapest, including a 23.51m final attempt ©Getty Images
Spain's Álvaro Martín took the first gold of the World Athletics Championships in the men's 20km race walk ©Getty Images
Spain's Álvaro Martín took the first gold of the World Athletics Championships in the men's 20km race walk ©Getty Images
Koki Ikeda of Japan slipped away having led for much of the men's 20km race walk, which had been delayed by two hours due to thunderstorms in Budapest ©Getty Images
Koki Ikeda of Japan slipped away having led for much of the men's 20km race walk, which had been delayed by two hours due to thunderstorms in Budapest ©Getty Images
Torrential rain also led to the start of competition at the National Athletics Centre being delayed by an hour ©Getty Images
Torrential rain also led to the start of competition at the National Athletics Centre being delayed by an hour ©Getty Images
The US won mixed 4x400m relay gold in a world record time of 3min 8.80sec after The Netherlands' Femke Bol stumbled in a battle for gold with Alexis Holmes, second right ©Getty Images
The US won mixed 4x400m relay gold in a world record time of 3min 8.80sec after The Netherlands' Femke Bol stumbled in a battle for gold with Alexis Holmes, second right ©Getty Images
Femke Bol of The Netherlands, front, had led for the entirety of the last lap before falling metres before the finish line ©Getty Images
Femke Bol of The Netherlands, front, had led for the entirety of the last lap before falling metres before the finish line ©Getty Images
Gudaf Tsegay, left, led an Ethiopian women's 10,000m one-two-three with second-placed Letesenbet Gidey, second right, and third-placed Ejgayehu Taye, right, after an unfortunate fall by The Netherlands' Sifan Hassan, second left ©Getty Images
Gudaf Tsegay, left, led an Ethiopian women's 10,000m one-two-three with second-placed Letesenbet Gidey, second right, and third-placed Ejgayehu Taye, right, after an unfortunate fall by The Netherlands' Sifan Hassan, second left ©Getty Images
Anna Hall of the US, centre, leads Britain's Katarina Johnson-Thompson, left, by 93 points after four of the seven events in the heptathlon ©Getty Images
Anna Hall of the US, centre, leads Britain's Katarina Johnson-Thompson, left, by 93 points after four of the seven events in the heptathlon ©Getty Images
World Championships mascot Youhuu, a Hungarian racka sheep, made a spectacular entrance to the Opening Ceremony at the National Athletics Centre ©Getty Images
World Championships mascot Youhuu, a Hungarian racka sheep, made a spectacular entrance to the Opening Ceremony at the National Athletics Centre ©Getty Images