Shelly-Ann Fraser-Pryce of Jamaica celebrates with her son Zyon after winning the women's 100 metres at the IAAF World Championships in Doha ©Getty Images

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Fraser-Pryce was seeking the fourth world 100m title of her career – 10 years after her first ©Getty Images
Fraser-Pryce was seeking the fourth world 100m title of her career – 10 years after her first ©Getty Images
The Jamaican was pushed all the way by Britain's Dina Asher-Smith, who won the silver medal ©Getty Images
The Jamaican was pushed all the way by Britain's Dina Asher-Smith, who won the silver medal ©Getty Images
The final of the mixed 4x400m relay made its debut at the IAAF World Championships ©Getty Images
The final of the mixed 4x400m relay made its debut at the IAAF World Championships ©Getty Images
It ended with the United States setting a world record and Allyson Felix winning a record 12th gold medal ©Getty Images
It ended with the United States setting a world record and Allyson Felix winning a record 12th gold medal ©Getty Images
Russia's Anzhelika Sidorova, competing as an Authorised Neutral Athlete, won an enthralling women's pole vault ©Getty Images
Russia's Anzhelika Sidorova, competing as an Authorised Neutral Athlete, won an enthralling women's pole vault ©Getty Images
America's Christian Taylor claimed his fourth IAAF World Championships gold medal with a dramatic victory in the triple jump ©Getty Images
America's Christian Taylor claimed his fourth IAAF World Championships gold medal with a dramatic victory in the triple jump ©Getty Images
America's Christian Coleman received his gold medal for winning the men's 100m the previous evening ©Getty Images
America's Christian Coleman received his gold medal for winning the men's 100m the previous evening ©Getty Images
Japan's Yusuke Suzuki celebrates winning the men's 50km race walk in an event that finished after 4am on Sunday morning ©Getty Images
Japan's Yusuke Suzuki celebrates winning the men's 50km race walk in an event that finished after 4am on Sunday morning ©Getty Images
IOC President Thomas Bach visited the IAAF Heritage Exhibition taking place during the World Championships in Doha and was accompanied by Sebastian Coe ©Getty Images
IOC President Thomas Bach visited the IAAF Heritage Exhibition taking place during the World Championships in Doha and was accompanied by Sebastian Coe ©Getty Images