List of Japanese records in swimming
These are the Japanese Records in Swimming : they are the fastest times ever swum by a swimmer from Japan in recognized events. The records are kept and maintained by the Japan Swimming Federation (JSF). The JSF recognizes records swum in both long course (50m) and short course (25m) pools.
Long course (50 metres)
Men
Event
Time
Name
Club
Date
Meet
Location
Ref
50m freestyle
21.67
sf, AS
Shinri Shioura
Itoman Toshin
7 April 2019
Japanese Championships
Tokyo , Japan
[1]
100m freestyle
47.85
Katsuhiro Matsumoto
Mitsuuroko
6 April 2023
Japanese Championships
Tokyo , Japan
[2]
200m freestyle
1:44.65
Katsuhiro Matsumoto
Central Sports
5 April 2021
Japanese Championships
Tokyo , Japan
[3]
400m freestyle
3:43.90
Kosuke Hagino
Toyo University
12 April 2014
Japanese Championships
Tokyo , Japan
[4]
800m freestyle
7:49.55
Shui Kurokawa
Itoman Tondabayashi
7 April 2021
Japanese Championships
Tokyo , Japan
[5]
1500m freestyle
14:54.80
Kohei Yamamoto
Mizuno
20 June 2014
Japan Open
Tokyo , Japan
[6]
50m backstroke
24.24
AS
Junya Koga
Japan
2 Aug 2009
World Championships
Rome , Italy
[7]
100m backstroke
52.24
r
Ryosuke Irie
Kinki University
5 Sep 2009
Japanese University Championships
Kumamoto , Japan
[8]
200m backstroke
1:52.51
AS
Ryosuke Irie
Japan
31 Jul 2009
World Championships
Rome , Italy
[9]
50m breaststroke
26.94
Yasuhiro Koseki
Japan
17 June 2018
Mare Nostrum
Monte Carlo , Monaco
[10]
100m breaststroke
58.78
Yasuhiro Koseki
Japan
17 June 2018
Mare Nostrum
Monte Carlo , Monaco
[11]
200m breaststroke
2:06.40
AS
Shoma Sato
Tokyo SC
7 April 2021
Japanese Championships
Tokyo , Japan
[12]
50m butterfly
23.13
h
Takeshi Kawamoto
Toyota
4 April 2023
Japanese Championships
Tokyo , Japan
[13]
100m butterfly
50.81
sf
Naoki Mizunuma
Japan
23 June 2022
World Championships
Budapest , Hungary
[14]
200m butterfly
1:52.53
AS
Daiya Seto
Japan
18 January 2020
Champions Swim Series
Beijing , China
[15]
200m individual medley
1:55.07
Kosuke Hagino
Toyo University
9 April 2016
Japanese Championships
Tokyo , Japan
[16]
400m individual medley
4:06.05
AS
Kosuke Hagino
Japan
6 August 2016
Olympic Games
Rio de Janeiro , Brazil
[17]
4×50m freestyle relay
1:27.48
Japan
3 July 2021
Summer Challenge Meet
Sagamihara , Japan
[18]
4×100m freestyle relay
3:12.54
Japan
11 August 2018
Pan Pacific Championships
Tokyo , Japan
[19]
4×200m freestyle relay
7:02.26
Japan
31 July 2009
World Championships
Rome , Italy
[20]
4×100m medley relay
3:29.91
Japan
1 August 2021
Olympic Games
Tokyo , Japan
[21]
Legend:
# – Record awaiting ratification by Japan Swimming Federation ; WR – World record ; AS – Asian record ; Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial
Women
Event
Time
Name
Club
Date
Meet
Location
Ref
50m freestyle
24.21
Rikako Ikee
Renaissance Kameido
6 April 2018
Japanese Championships
Tokyo , Japan
[22]
100m freestyle
52.79
Rikako Ikee
Renaissance Kameido
18 November 2018
Kosuke Kitajima Cup
Tokyo , Japan
[23]
200m freestyle
1:54.85
Rikako Ikee
Japan
9 August 2018
Pan Pacific Championships
Tokyo , Japan
[24]
400m freestyle
4:05.19
Ai Shibata
Japan
25 Mar 2007
World Championships
Melbourne , Australia
800m freestyle
8:23.68
Sachiko Yamada
Konami
23 Apr 2004
Japanese Championships
Tokyo , Japan
1500m freestyle
15:58.55
Ai Shibata
Japan
27 Mar 2007
World Championships
Melbourne , Australia
50m backstroke
27.51
Aya Terakawa
Mizuno
13 April 2013
Japanese Championships
Niigata , Japan
100m backstroke
58.70
r, AS
Aya Terakawa
Japan
4 August 2013
World Championships
Barcelona , Spain
[25]
200m backstroke
2:07.13
Reiko Nakamura
Japan
16 Aug 2008
Olympic Games
Beijing , China
50m breaststroke
30.10
Satomi Suzuki
Japan
8 October 2023
Shizuoka Invitational Sprint Championships
Shizuoka , Japan
[26]
100m breaststroke
1:05.19
Reona Aoki
Mizuno
2 March 2022
Japanese World Championships Trials
Tokyo , Japan
[27]
200m breaststroke
2:19.65
AS
Rie Kaneto
Jaked
9 April 2016
Japanese Championships
Tokyo , Japan
[28]
50m butterfly
25.11
AS
Rikako Ikee
Japan
10 June 2018
Mare Nostrum
Canet-en-Roussillon , France
[29]
100m butterfly
56.08
Rikako Ikee
Japan
11 August 2018
Pan Pacific Championships
Tokyo , Japan
[30]
200m butterfly
2:04.69
Natsumi Hoshi
Swin Daikyo
5 April 2012
Japanese Championships
Tokyo , Japan
[31]
200m individual medley
2:07.91
Yui Ohashi
Japan
24 July 2017
World Championships
Budapest , Hungary
[32]
400m individual medley
4:30.82
Yui Ohashi
Itoman Toshin
8 April 2018
Japanese Championships
Tokyo , Japan
[33]
4×50m freestyle relay
1:39.67
Japan
4 July 2021
Summer Challenge Meet
Sagamihara , Japan
[34]
4×100m freestyle relay
3:36.17
h
Japan
21 July 2019
World Championships
Gwangju , South Korea
[35]
4×200m freestyle relay
7:48.96
Japan
10 August 2018
Pan Pacific Championships
Tokyo , Japan
[36]
4×100m medley relay
3:54.73
Japan
23 August 2018
Asian Games
Jakarta , Indonesia
[37]
Legend:
# – Record awaiting ratification by Japan Swimming Federation ; WR – World record ; AS – Asian record ; Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial
Mixed relay
Short course (25 m)
Men
Event
Time
Name
Club
Date
Meet
Location
Ref
50m freestyle
20.95
AS
Kosuke Matsui
NUHW
26 October 2019
Japanese Championships
Tokyo , Japan
[40]
100m freestyle
46.22
r
Katsumi Nakamura
Japan
11 December 2018
World Championships
Hangzhou , China
[41]
200m freestyle
1:41.29
h
Katsuhiro Matsumoto
Japan
18 December 2022
World Championships
Melbourne , Australia
[42]
400m freestyle
3:37.94
Katsuhiro Matsumoto
Central Sports
11 January 2020
Chiba New Year Championships
Chiba , Japan
400m freestyle
3:36.87
not ratified
Katsuhiro Matsumoto
Japan
15 December 2022
World Championships
Melbourne , Australia
[43]
800m freestyle
7:33.78
AS
Shogo Takeda
Japan
17 December 2022
World Championships
Melbourne , Australia
[44]
1500m freestyle
14:25.95
Shogo Takeda
Japan
13 December 2022
World Championships
Melbourne , Australia
[45]
50m backstroke
22.81
sf
Junya Koga
Japan
8 December 2016
World Championships
Windsor , Canada
[46]
100m backstroke
49.65
Masaki Kaneko
Japan
11 August 2017
World Cup
Eindhoven , Netherlands
[47]
200m backstroke
1:48.25
AS
Masaki Kaneko
Yuras
17 January 2016
Tokyo New Year Championships
Tokyo , Japan
[48]
50m breaststroke
25.91
AS
Yasuhiro Koseki
Jieitai
17 October 2021
Japanese Championships
Tokyo , Japan
[49]
100m breaststroke
55.77
AS
Yuya Hinomoto
Aquatic
16 October 2021
Japanese Championships
Tokyo , Japan
[50]
200m breaststroke
2:00.35
AS
Daiya Seto
Japan
16 December 2022
World Championships
Melbourne , Australia
[51]
50m butterfly
22.19
AS
Takeshi Kawamoto
Toyota
17 October 2020
Japanese Championships
Tokyo , Japan
[52]
100m butterfly
49.54
Takeshi Kawamoto
Toyota
18 October 2020
Japanese Championships
Tokyo , Japan
[53]
200m butterfly
1:46.85
WR
Tomoru Honda
Nihon University
22 October 2022
Japanese Championships
Tokyo , Japan
[54]
100m individual medley
51.29
AS
Daiya Seto
Japan
28 October 2021
World Cup
Kazan , Russia
[55]
200m individual medley
1:50.47
AS
Kosuke Hagino
Japan
5 December 2014
World Championships
Doha , Qatar
[56]
400m individual medley
3:54.81
WR
Daiya Seto
Energy Standard
20 December 2019
International Swimming League
Las Vegas , United States
[57]
4×50m freestyle relay
1:23.80
AS
Japan
15 December 2022
World Championships
Melbourne , Australia
[58]
4×100m freestyle relay
3:07.79
AS
Japan
3 December 2014
World Championships
Doha , Qatar
[59]
4×200m freestyle relay
6:52.04
Japan
16 December 2022
World Championships
Melbourne , Australia
[60]
4×50m medley relay
1:31.28
AS
Japan
17 December 2022
World Championships
Melbourne , Australia
[61]
4×100m medley relay
3:21.07
AS
Japan
16 December 2018
World Championships
Hangzhou , China
[62]
Legend:
# – Record awaiting ratification by Japan Swimming Federation ; WR – World record ; AS – Asian record ; Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial
Women
Event
Time
Name
Club
Date
Meet
Location
Ref
50m freestyle
23.95
Rikako Ikee
Japan
21 December 2017
Swim Cup Lausanne
Lausanne , Switzerland
[63]
100m freestyle
51.62
Rikako Ikee
Renaissance Kameido
14 January 2018
New Year Championships
Tokyo , Japan
[64]
200m freestyle
1:52.64
Rikako Ikee
Renaissance Kameido
13 January 2018
New Year Championships
Tokyo , Japan
[65]
400m freestyle
3:59.41
Chihiro Igarashi
Japan
9 December 2016
World Championships
Windsor , Canada
[66]
800m freestyle
8:12.98
Miyu Namba
Japan
14 December 2022
World Championships
Melbourne , Australia
[67]
1500m freestyle
15:44.84
AS
Waka Kobori
Central Totsuka
14 February 2021
National Junior Olympic Cup Qualifying Meet
Yokohama , Japan
[68]
50m backstroke
26.05
Aya Terakawa
Mizuno
25 February 2013
Japanese Championships
Tokyo , Japan
[69]
100m backstroke
55.23
AS
Shiho Sakai
Japan
15 November 2009
World Cup
Berlin , Germany
[70]
200m backstroke
2:00.18
AS
Shiho Sakai
Japan
14 November 2009
World Cup
Berlin , Germany
[71]
50m breaststroke
29.57
AS
Reona Aoki
Tokyo Frog Kings
9 November 2020
International Swimming League
Budapest , Hungary
[72]
100m breaststroke
1:04.01
Reona Aoki
Mizuno
22 October 2022
Japanese Championships
Tokyo , Japan
[73]
200m breaststroke
2:15.76
AS
Rie Kaneto
Japan
9 October 2016
World Cup
Doha , Qatar
[74]
50m butterfly
24.71
AS
Rikako Ikee
Renaissance Kameido
13 January 2018
New Year Championships
Tokyo , Japan
[75]
100m butterfly
55.31
Rikako Ikee
Renaissance Kameido
11 November 2018
World Cup
Tokyo , Japan
[76]
200m butterfly
2:02.96
Suzuka Hasegawa
Tokyo Dome
14 January 2017
Tokyo New Year Championships
Tokyo , Japan
100m individual medley
57.75
AS
Rikako Ikee
Renaissance Kameido
15 November 2017
World Cup
Tokyo , Japan
[77]
200m individual medley
2:03.93
AS
Yui Ohashi
Tokyo Frog Kings
14 November 2020
International Swimming League
Budapest , Hungary
[78]
400m individual medley
4:22.73
AS
Yui Ohashi
Itoman Toshin
10 November 2018
World Cup
Tokyo , Japan
[79]
4×50m freestyle relay
1:37.35
Japan
16 December 2018
World Championships
Hangzhou , China
[80]
4×100m freestyle relay
3:31.68
Japan
11 December 2018
World Championships
Hangzhou , China
[81]
4×200m freestyle relay
7:41.97
Japan
10 December 2016
World Championships
Windsor , Canada
[82]
4×50m medley relay
1:44.90
Japan
12 December 2018
World Championships
Hangzhou , China
[83]
4×100m medley relay
3:50.28
Japan
11 December 2016
World Championships
Windsor , Canada
[84]
Legend:
# – Record awaiting ratification by Japan Swimming Federation ; WR – World record ; AS – Asian record ; Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial
Mixed relay
References
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