List of Japanese records in swimming

These are the Japanese Records in Swimming: they are the fastest time every swum by swimmer from Japan in the recognized events. The records are kept/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	21.88	AS	Shioura, ShinriShinri Shioura	-	13 April 2014	Japanese Championships	Tokyo, Japan	[1]
100m freestyle	47.99	r, h	Nakamura, KatsumiKatsumi Nakamura	Japan	7 August 2016	Olympics Games	Rio de Janeiro, Brazil	[2]
200m freestyle	1:45.23		Hagino, KosukeKosuke Hagino	Japan	21 September 2014	Asian Games	Incheon, South Korea	[3]
400m freestyle	3:43.90		Hagino, KosukeKosuke Hagino	-	12 April 2014	Japanese Championships	Tokyo, Japan	[4]
800m freestyle	7:49.65		Matsuda, TakeshiTakeshi Matsuda	-	19 Apr 2009	Japanese Championships	Hamamatsu, Japan
1500m freestyle	14:54.80	h	Yamamoto, KoheiKohei Yamamoto	-	20 June 2014	Japan Open	Tokyo, Japan	[5]
50m backstroke	24.24	AS	Koga, JunyaJunya Koga	Japan	2 Aug 2009	World Championships	Rome, Italy	[6]
100m backstroke	52.24	r, AS	Irie, RyosukeRyosuke Irie	-	5 Sep 2009	Japanese University Championships	Kumamoto, Japan	[7]
200m backstroke	1:52.51	AS	Irie, RyosukeRyosuke Irie	Japan	31 Jul 2009	World Championships	Rome, Italy	[8]
50m breaststroke	27.30	h	Kitajima, KosukeKosuke Kitajima	-	13 April 2010	Japanese Championships	Tokyo, Japan	[9]
100m breaststroke	58.90	AS	Kitajima, KosukeKosuke Kitajima	-	3 April 2012	Japanese Championships	Tokyo, Japan	[10]
200m breaststroke	2:07.01	WR	Yamaguchi, AkihiroAkihiro Yamaguchi	-	15 September 2012	National Sports Festival	Gifu, Japan	[11]
50m butterfly	23.45		Takayasu, RyoRyo Takayasu	-	16 Apr 2009	Japanese Championships	Hamamatsu, Japan
100m butterfly	51.00		Kawamoto, KoheiKohei Kawamoto	-	11 Sep 2009	Japanese National Sports Festival	Niigata, Japan	[12]
200m butterfly	1:52.97	AS	Matsuda, TakeshiTakeshi Matsuda	Japan	13 Aug 2008	Olympic Games	Beijing, China
200m individual medley	1:55.07	AS	Hagino, KosukeKosuke Hagino	-	9 April 2016	Japanese Championships	Tokyo, Japan	[13]
400m individual medley	4:06.05	AS	Hagino, KosukeKosuke Hagino	Japan	6 August 2016	Olympic Games	Rio de Janeiro, Brazil	[14]
4×50m freestyle relay	1:28.69		Kento Ito Masayuki Kishida Tadashi Muramatsu Masaru Nakamata	-	16 September 2012	National Sports Festival	Gifu, Japan	[15]
4×100m freestyle relay	3:14.17	h	(47.99) Katsumi Nakamura  (48.71) Shinri Shioura  (48.79) Kenji Kobase  (48.68) Junya Koga	Japan	7 August 2016	Olympics Games	Rio de Janeiro, Brazil	[16]
4×200m freestyle relay	7:02.26	AS	(1:45.90) Sho Uchida  (1:45.83) Yoshihiro Okumura  (1:45.99) Shogo Hihara  (1:44.54) Takeshi Matsuda	Japan	31 July 2009	World Championships	Rome, Italy	[17]
4×100m medley relay	3:30.74	h, AS	(52.50) Ryosuke Irie  (59.26) Ryo Tateishi  (50.52) Takuro Fujii  (48.46) Rammaru Harada	Japan	2 August 2009	World Championships	Rome, Italy	[18]

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	24.67		Ikee, RikakoRikako Ikee	-	10 September 2016	National Sports Festival	Iwate, Japan	[19]
100m freestyle	53.68		Ikee, RikakoRikako Ikee	Japan	17 November 2016	Asian Championships	Tokyo, Japan	[20]
200m freestyle	1:57.18	rh	Igarashi, ChihiroChihiro Igarashi	Japan	6 August 2016	Olympic Games	Rio de Janeiro, Brazil	[21]
400m freestyle	4:05.19		Shibata, AiAi Shibata	Japan	25 Mar 2007	World Championships	Melbourne, Australia
800m freestyle	8:23.68		Yamada, SachikoSachiko Yamada	-	23 Apr 2004	Japanese Championships	Tokyo, Japan
1500m freestyle	15:58.55		Shibata, AiAi Shibata	Japan	27 Mar 2007	World Championships	Melbourne, Australia
50m backstroke	27.53		Terakawa, AyaAya Terakawa	Japan	1 August 2013	World Championships	Barcelona, Spain	[22]
100m backstroke	58.70	r, AS	Terakawa, AyaAya Terakawa	Japan	4 August 2013	World Championships	Barcelona, Spain	[23]
200m backstroke	2:07.13		Nakamura, ReikoReiko Nakamura	Japan	16 Aug 2008	Olympic Games	Beijing, China
50m breaststroke	30.83	sf	Matsushima, MinaMina Matsushima	Japan	9 July 2015	Universiade	Gwangju, South Korea	[24]
100m breaststroke	1:05.88		Watanabe, KanakoKanako Watanabe	-	19 June 2014	Japan Open	Tokyo, Japan	[25]
200m breaststroke	2:19.65	AS	Kaneto, RieRie Kaneto	-	9 April 2016	Japanese Championships	Tokyo, Japan	[26]
50m butterfly	25.50		Ikee, RikakoRikako Ikee	-	10 July 2016	Prefecture Swimming Federation Meet	Japan	[27]
100m butterfly	56.86		Ikee, RikakoRikako Ikee	Japan	7 August 2016	Olympic Games	Rio de Janeiro, Brazil	[28]
200m butterfly	2:04.69		Hoshi, NatsumiNatsumi Hoshi	-	5 April 2012	Japanese Championships	Tokyo, Japan	[29]
200m individual medley	2:08.45		Watanabe, KanakoKanako Watanabe	Japan	3 August 2015	World Championships	Kazan, Russia	[30]
400m individual medley	4:34.66	h	Shimizu, SakikoSakiko Shimizu	Japan	6 August 2016	Olympic Games	Rio de Janeiro, Brazil	[31]
4×50m freestyle relay	1:41.61		Shoko Tanabe Haruka Ueda Yuka Kato Mai Harada	-	16 September 2012	National Sports Festival	Gifu, Japan	[15]
4×100m freestyle relay	3:36.74	h	(53.93) Miki Uchida  (53.41) Rikako Ikee  (54.87) Misaki Yamaguchi  (54.53) Yayoi Matsumoto	Japan	6 August 2016	Olympic Games	Rio de Janeiro, Brazil	[32]
4×200m freestyle relay	7:52.42	h	(1:57.38) Haruka Ueda  (1:56.86) Misaki Yamaguchi  (1:57.43) Ren Sato  (2:00.75) Asami Kitagawa	Japan	30 Jul 2009	World Championships	Rome, Italy
4×100m medley relay	3:55.73		(58.99) Aya Terakawa  (1:05.96) Satomi Suzuki  (57.36) Yuka Kato  (53.42) Haruka Ueda	Japan	4 August 2012	Olympic Games	London, United Kingdom	[33]

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

Event	Time		Name	Club	Date	Meet	Location	Ref
4×50m freestyle relay
4×100m freestyle relay	3:42.74	h	(52.17)	Japan	17 August 2014	Youth Olympic Games	Nanjing, China	[34]
4×50m medley relay
4×100m medley relay	3:53.79			Japan	31 January 2014	BHP Billiton Aquatic Super Series	Perth, Australia	[35]

Legend: # – Record awaiting ratification by Japan Swimming Federation; WR – World record; AS – Asian record;
Records not set in finals: h – heat

Short course (25 m)

Men

Event	Time		Name	Club	Date	Meet	Location	Ref
50m freestyle	21.18		Kishida, MasayukiMasayuki Kishida	-	20 December 2009	-	Tokyo, Japan
100m freestyle	46.70	sf	Shioura, ShinriShinri Shioura	Japan	6 December 2014	World Championships	Doha, Qatar	[36]
200m freestyle	1:42.62		Hagino, KosukeKosuke Hagino	Japan	29 October 2014	World Cup	Tokyo, Japan	[37]
400m freestyle	3:38.54		Ehara, NaitoNaito Ehara	-	14 February 2016	-	Yamanashi, Japan
800m freestyle	7:44.87	†	Takiguchi, YoheiYohei Takiguchi	Japan	16 December 2012	World Championships	Istanbul, Turkey	[38]
1500m freestyle	14:31.64		Hirai, AyatsuguAyatsugu Hirai	Meiji University	18 January 2015	University Winter Championships	Yokohama, Japan	[39]
50m backstroke	22.88	AS	Koga, JunyaJunya Koga	Japan	15 Nov 2009	World Cup	Berlin, Germany	[40]
100m backstroke	50.07	AS	Koga, JunyaJunya Koga	Japan	14 Nov 2009	World Cup	Berlin, Germany	[41]
200m backstroke	1:48.25	AS	Kaneko, MasakiMasaki Kaneko	-	17 January 2016	Tokyo New Year Six Collegiate Competition	Tokyo, Japan	[42]
50m breaststroke	26.32	AS	Koseki, YasuhiroYasuhiro Koseki	-	16 February 2014	Japanese Championships	Tatsumi, Japan	[43]
100m breaststroke	56.34	AS	Koseki, YasuhiroYasuhiro Koseki	-	15 February 2014	Japanese Championships	Tatsumi, Japan	[44]
200m breaststroke	2:02.03	AS	Koseki, YasuhiroYasuhiro Koseki	-	16 February 2014	Japanese Championships	Tatsumi, Japan	[45]
50m butterfly	22.49	AS	Kishida, MasayukiMasayuki Kishida	-	20 December 2009	-	Tokyo, Japan
100m butterfly	49.74	AS	Kishida, MasayukiMasayuki Kishida	-	20 December 2009	-	Tokyo, Japan
200m butterfly	1:48.92	AS	Seto, DaiyaDaiya Seto	Japan	7 December 2014	World Championships	Doha, Qatar	[46]
100m individual medley	51.30	AS	Hagino, KosukeKosuke Hagino	Japan	7 December 2014	World Championships	Doha, Qatar	[47]
200m individual medley	1:50.47	AS	Hagino, KosukeKosuke Hagino	Japan	5 December 2014	World Championships	Doha, Qatar	[48]
400m individual medley	3:56.33	AS	Seto, DaiyaDaiya Seto	Japan	4 December 2014	World Championships	Doha, Qatar	[49]
4×50m freestyle relay	1:27.98		(22.44) Hiroaki Yamamoto Rammaru Harada Ken Takakuwa Yuki Kawauchi	-	8 January 2011	-	Tokyo, Japan
4×100m freestyle relay	3:07.79	AS	(47.05) Katsumi Nakamura  (46.39) Shinri Shioura  (47.12) Reo Sakata  (47.23) Kosuke Hagino	Japan	3 December 2014	World Championships	Doha, Qatar	[50]
4×200m freestyle relay	6:59.43	h, AS	(1:45.43) Yuki Kobori  (1:44.28) Reo Sakata  (1:45.66) Tsubasa Amai  (1:44.06) Katsumi Nakamura	Japan	4 December 2014	World Championships	Doha, Qatar	[51]
4×50m medley relay	1:34.99	h, AS	(23.90) Yuki Shirai  (26.38) Yasuhiro Koseki  (23.04) Katsumi Nakamura  (21.67) Reo Sakata	Japan	4 December 2014	World Championships	Doha, Qatar	[52]
4×100m medley relay	3:22.92	AS	(50.28) Ryosuke Irie  (56.62) Yasuhiro Koseki  (49.98) Kosuke Hagino  (46.04) Shinri Shioura	Japan	7 December 2014	World Championships	Doha, Qatar	[53]

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	24.22	r	Uchida, MikiMiki Uchida	Japan	7 December 2014	World Championships	Doha, Qatar	[54]
100m freestyle	51.83	r, AS	Uchida, MikiMiki Uchida	Japan	5 December 2014	World Championships	Doha, Qatar	[55]
200m freestyle	1:53.72		Ueda, HarukaHaruka Ueda	-	21 February 2009	Japan Open	Tokyo, Japan
400m freestyle	3:59.59		Igarashi, ChihiroChihiro Igarashi	Japan	5 December 2014	2014 World Championships	Doha, Qatar	[56]
800m freestyle	8:13.34		Shibata, AiAi Shibata	-	3 March 2007	Japan Open	Tokyo, Japan
1500m freestyle	15:51.63	AS	Yamada, SachikoSachiko Yamada	-	25 January 2003	-	Nishinomiya, Japan
50m backstroke	26.05		Terakawa, AyaAya Terakawa	-	25 February 2013	Japanese Championships	Tokyo, Japan	[57]
100m backstroke	55.23	AS	Sakai, ShihoShiho Sakai	Japan	15 November 2009	World Cup	Berlin, Germany	[58]
200 m backstroke	2:00.18	AS	Sakai, ShihoShiho Sakai	Japan	14 November 2009	World Cup	Berlin, Germany	[59]
50m breaststroke	30.23		Suzuki, SatomiSatomi Suzuki	-	12 February 2012	Japanese Championships	Tokyo, Japan	[60]
100m breaststroke	1:04.05	AS	Teramura, MihoMiho Teramura	Japan	25 October 2016	World Cup	Tokyo, Japan	[61]
200m breaststroke	2:15.76	AS	Kaneto, RieRie Kaneto	Japan	9 October 2016	World Cup	Doha, Qatar	[62]
50m butterfly	25.34		Kato, YukaYuka Kato	Japan	10 November 2013	World Cup	Tokyo, Japan	[63]
100m butterfly	56.09		Kato, YukaYuka Kato	Japan	9 November 2013	World Cup	Tokyo, Japan	[64]
200m butterfly	2:03.12		Nakanishi, YukoYuko Nakanishi	-	23 February 2008	Japan Open	Tokyo, Japan
100m individual medley	58.24	AS	Ikee, RikakoRikako Ikee	Japan	26 October 2016	World Cup	Tokyo, Japan	[65]
200m individual medley	2:05.97		Shimizu, SakikoSakiko Shimizu	-	24 January 2016	-	Sagamihara, Japan
400m individual medley	4:27.51		Shimizu, SakikoSakiko Shimizu	-	6 December 2015	-	Sagamihara, Japan
4×50m freestyle relay	1:38.76		(24.22) Miki Uchida  (24.56) Yayoi Matsumoto  (24.83) Tomomi Aoki  (25.15) Rino Hosoda	Japan	7 December 2014	World Championships	Doha, Qatar	[66]
4×100m freestyle relay	3:32.31		(51.83) Miki Uchida  (52.93) Yayoi Matsumoto  (53.67) Tomomi Aoki  (53.88) Rino Hosoda	Japan	5 December 2014	World Championships	Doha, Qatar	[67]
4×200m freestyle relay	7:42.65		(1:54.60) Miki Uchida  (1:54.15) Chihiro Igarashi  (1:56.68) Tomomi Aoki  (1:57.22) Yayoi Matsumoto	Japan	3 December 2014	World Championships	Doha, Qatar	[68]
4×50m medley relay	1:46.72		(26.73) Shiho Sakai  (30.04) Satomi Suzuki  (25.58) Rino Hosoda  (24.37) Yayoi Matsumoto	Japan	5 December 2014	World Championships	Doha, Qatar	[69]
4×100m medley relay	3:50.50		(57.11) Sayaka Akase  (1:05.32) Kanako Watanabe  (56.89) Rino Hosoda  (51.18) Miki Uchida	Japan	7 December 2014	World Championships	Doha, Qatar	[70]

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

Event	Time		Name	Club	Date	Meet	Location	Ref
Mixed 4×50m freestyle relay	1:32.52		(21.63) Shinri Shioura  (25.28) Sayaka Akase  (20.70) Kenta Ito  (24.91) Kanako Watanabe	Japan	18 October 2013	World Cup	Dubai, United Arab Emirates	[71]
Mixed 4×50m medley relay	1:41.78	=	(23.48) Kosuke Hagino  (27.09) Akihiro Yamaguchi  (25.95) Miki Uchida  (25.25) Yasuko Miyamoto	Tokyo University	9 November 2013	World Cup	Tokyo, Japan	[72]
Mixed 4×50m medley relay	1:41.78	h, =	(23.97) Yuki Shirai  (30.18) Satomi Suzuki  (22.99) Takuro Fujii  (24.64) Yayoi Matsumoto	Japan	4 December 2014	World Championships	Doha, Qatar	[73]

Legend: # – Record awaiting ratification by Japan Swimming Federation; AS – Asian record;
Records not set in finals: h – heat

References

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External links

• Japan Swimming Federation