Salwa Eid Naser of Bahrain comes to terms with running the fastest time for 34 years to win the 400 metres at the IAAF World Championships in Doha ©Getty Images

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Naser outpaced the favourite Shaunae Miller-Uibo of the Bahamas with an incredible performance to win in 48.18sec ©Getty Images
Naser outpaced the favourite Shaunae Miller-Uibo of the Bahamas with an incredible performance to win in 48.18sec ©Getty Images
Naser, originally born in Nigeria, waves the flag of her adopted country during her lap of honours ©Getty Images
Naser, originally born in Nigeria, waves the flag of her adopted country during her lap of honours ©Getty Images
Competitors in the men's decathlon are glad it is over following the final of the 10 events, the 1500m, an event that finished in the early hours of the morning ©Getty Images
Competitors in the men's decathlon are glad it is over following the final of the 10 events, the 1500m, an event that finished in the early hours of the morning ©Getty Images
The surprise winner was Germany's Niklas Kaul ©Getty Images
The surprise winner was Germany's Niklas Kaul ©Getty Images
Britain's Katarina Johnson-Thompson crosses the line to win the heptathlon gold medal ©Getty Images
Britain's Katarina Johnson-Thompson crosses the line to win the heptathlon gold medal ©Getty Images
Johnson-Thompson recovers briefly before she starts her celebration ©Getty Images
Johnson-Thompson recovers briefly before she starts her celebration ©Getty Images
The crowd at the Khalifa international Stadium was noticeably larger after organisers started distributing free tickets ©Getty Images
The crowd at the Khalifa international Stadium was noticeably larger after organisers started distributing free tickets ©Getty Images
Lijiao Gong of China celebrates winning the women's shot put - her second consecutive gold and the sixth time time in a row she has won a medal at the IAAF World Championships ©Getty Images
Lijiao Gong of China celebrates winning the women's shot put - her second consecutive gold and the sixth time time in a row she has won a medal at the IAAF World Championships ©Getty Images
The medal ceremony for the men's 110m hurdles featured a fourth athlete after Cuba's Orlando Ortega, right, was awarded a bronze medal following an appeal that he had been unfairly impeded in the previous night's race ©Getty Images
The medal ceremony for the men's 110m hurdles featured a fourth athlete after Cuba's Orlando Ortega, right, was awarded a bronze medal following an appeal that he had been unfairly impeded in the previous night's race ©Getty Images