Xu Jiayu (; born 19 August 1995) is a Chinese competitive
swimmer who specializes in the
backstroke
Backstroke or back crawl is one of the four swimming styles used in competitive events regulated by FINA, and the only one of these styles swum on the back. This swimming style has the advantage of easy breathing, but the disadvantage of swimme ...
. He is the Olympic Silver medalist (
2016 Rio de Janeiro
)
, nations = 207 (including IOA and EOR teams)
, athletes = 11,238
, events = 306 in 28 sports (41 disciplines)
, opening = 5 August 2016
, closing = 21 August 2016
, opened_by = Vice President Michel Temer
, cauldron = Vanderlei Cordeiro ...
) and twice consecutive
world champion (
2017 Budapest and
2019 Gwangju) in the 100 meters backstroke.
Early and personal life
Xu was born in
Wenzhou,
Zhejiang
Zhejiang ( or , ; , also romanized as Chekiang) is an eastern, coastal province of the People's Republic of China. Its capital and largest city is Hangzhou, and other notable cities include Ningbo and Wenzhou. Zhejiang is bordered by ...
. His mother Yu Zhenzhen (余珍珍) is a former swimmer who specialized in the butterfly. He has an elder sister Xu Si (徐思).
Xu started swimming at the age of 4 under his mother's guidance.
Xu is an alumnus of
Shanghai Jiao Tong University.
Swimming career
Olympic Games

Xu competed for China at the
2012 Summer Olympics, and won a silver medal in the
100 metre backstroke at the
2016 Summer Olympics.
He also won a silver medal in the 4x100 mixed medley at the
2020 Summer Olympics.
Xu is the current national record holder in backstroke races in all distances (50, 100, and 200 metres).
He held the world record in the 100 m backstroke short course from 2018 to 2020.
International Competitions

At the
2014 Asian Games, Xu,
Ning Zetao,
Li Zhuhao and
Li Xiang teamed up to win the men's 4 × 100 metre medley relay. Individually, Xu received silver medals in the 100m backstroke and 200m backstroke. While also receiving a bronze medal in the 50m backstroke.
At the
2016 short course World Championships, Xu won the bronze medal in the
100 metre backstroke.
At the
, Xu became the first male Chinese swimmer to win gold in the 100m backstroke in a time of 52.44 seconds. He also received the bronze medal as a part of the mixed medley relay.
At the
2018 Asian Games
The 2018 Asian Games ( id, Pesta Olahraga Asia 2018 or ''Asian Games 2018''), officially known as the 18th Asian Games and also known as Jakarta-Palembang 2018 or Indonesia 2018, was a Asia, continental multi-sport event that was held from 18 A ...
, Xu received six gold medals. He swept the backstroke events and was part of the Asian record setting mixed and men medley relays.
At the
2019 World Aquatics Championships
The 2019 World Aquatics Championships were the 18th FINA World Aquatics Championships, held in Gwangju, South Korea from 12 to 28 July 2019. The city had previously hosted the 2015 Summer Universiade aquatics events in the same venues. , Xu successfully defended his 100m backstroke title with a time of 52.43 seconds. Xu also placed sixth in the 50m backstroke.
Career best times
Long course (50-meter pool)
Short course (25-meter pool)
Key:
WR = World Record,
AR = Asian Record,
NR = National Record
References
External links
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{{DEFAULTSORT:Xu, Jiayu
1995 births
Living people
Chinese male backstroke swimmers
Swimmers from Zhejiang
Olympic swimmers of China
Swimmers at the 2012 Summer Olympics
Swimmers at the 2016 Summer Olympics
Swimmers at the 2020 Summer Olympics
2016 Olympic silver medalists for China
Medalists at the FINA World Swimming Championships (25 m)
Asian Games medalists in swimming
Swimmers at the 2014 Asian Games
Swimmers at the 2018 Asian Games
Olympic silver medalists in swimming
Shanghai Jiao Tong University alumni
Sportspeople from Wenzhou
World Aquatics Championships medalists in swimming
Asian Games gold medalists for China
Asian Games silver medalists for China
Asian Games bronze medalists for China
Medalists at the 2014 Asian Games
Medalists at the 2018 Asian Games
World record holders in swimming
Medalists at the 2020 Summer Olympics
Olympic silver medalists for China
21st-century Chinese people