![Gwangju, South Korea. 23rd July, 2019. Gold medalist Xu Jiayu of China greets the spectators after the men's 100m backstroke final at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, Gwangju, South Korea. 23rd July, 2019. Gold medalist Xu Jiayu of China greets the spectators after the men's 100m backstroke final at the Gwangju 2019 FINA World Championships in Gwangju, South Korea,](https://c8.alamy.com/comp/W4HC7J/gwangju-south-korea-23rd-july-2019-gold-medalist-xu-jiayu-of-china-greets-the-spectators-after-the-mens-100m-backstroke-final-at-the-gwangju-2019-fina-world-championships-in-gwangju-south-korea-july-23-2019-credit-wang-jingqiangxinhuaalamy-live-news-W4HC7J.jpg)
Gwangju, South Korea. 23rd July, 2019. Gold medalist Xu Jiayu of China greets the spectators after the men's 100m backstroke final at the Gwangju 2019 FINA World Championships in Gwangju, South Korea,
![China's Xu Jiayu conquers the 100m backstroke | World Swimming Championships 2019 | NBC Sports - YouTube China's Xu Jiayu conquers the 100m backstroke | World Swimming Championships 2019 | NBC Sports - YouTube](https://i.ytimg.com/vi/NawovsnDxP4/maxresdefault.jpg)
China's Xu Jiayu conquers the 100m backstroke | World Swimming Championships 2019 | NBC Sports - YouTube
![Hangzhou, China's Zhejiang Province. 1st May, 2023. Xu Jiayu of Zhejiang celebrates after the men's 100m backstroke final at the swimming national championships in Hangzhou, east China's Zhejiang Province, May 1, 2023. Credit: Huang Zongzhi/Xinhua ... Hangzhou, China's Zhejiang Province. 1st May, 2023. Xu Jiayu of Zhejiang celebrates after the men's 100m backstroke final at the swimming national championships in Hangzhou, east China's Zhejiang Province, May 1, 2023. Credit: Huang Zongzhi/Xinhua ...](https://l450v.alamy.com/450v/2pww6n3/hangzhou-chinas-zhejiang-province-1st-may-2023-xu-jiayu-of-zhejiang-celebrates-after-the-mens-100m-backstroke-final-at-the-swimming-national-championships-in-hangzhou-east-chinas-zhejiang-province-may-1-2023-credit-huang-zongzhixinhuaalamy-live-news-2pww6n3.jpg)
Hangzhou, China's Zhejiang Province. 1st May, 2023. Xu Jiayu of Zhejiang celebrates after the men's 100m backstroke final at the swimming national championships in Hangzhou, east China's Zhejiang Province, May 1, 2023. Credit: Huang Zongzhi/Xinhua ...
![Xu Jiayu wins Chinese male swimmers' first backstroke title at World Championships - Xinhua | English.news.cn Xu Jiayu wins Chinese male swimmers' first backstroke title at World Championships - Xinhua | English.news.cn](http://www.xinhuanet.com/english/2017-07/26/136472257_15010363478391n.jpg)
Xu Jiayu wins Chinese male swimmers' first backstroke title at World Championships - Xinhua | English.news.cn
![Xu Jiayu wins Chinese male swimmers' first backstroke title at World Championships - Xinhua | English.news.cn Xu Jiayu wins Chinese male swimmers' first backstroke title at World Championships - Xinhua | English.news.cn](http://www.xinhuanet.com/english/2017-07/26/136472257_15010363474141n.jpg)
Xu Jiayu wins Chinese male swimmers' first backstroke title at World Championships - Xinhua | English.news.cn
![170901) -- TIANJIN, Sept 1, 2017 (Xinhua) -- Xu Jiayu of Zhejiang gestures after the men's 100m backstroke swimming heat at 13th Chinese National Games in north China's Tianjin Municipality, Sept 1, 170901) -- TIANJIN, Sept 1, 2017 (Xinhua) -- Xu Jiayu of Zhejiang gestures after the men's 100m backstroke swimming heat at 13th Chinese National Games in north China's Tianjin Municipality, Sept 1,](https://c8.alamy.com/comp/K2KJC0/170901-tianjin-sept-1-2017-xinhua-xu-jiayu-of-zhejiang-gestures-after-K2KJC0.jpg)