Japan at the 2017 World Aquatics Championships

Japan at the
2017 World Aquatics Championships
Japan at the; 2017 World Aquatics Championships
	Flag of Japan
FINA code	JPN
National federation	Japan Swimming Federation
Website	www.swim.or.jp
in Budapest, Hungary
Competitors	77 in 5 sports
Medals; Ranked 17th	Gold0Silver4Bronze5Total9
World Aquatics Championships appearances
	1973 ; 1975 ; 1978 ; 1982 ; 1986 ; 1991 ; 1994 ; 1998 ; 2001 ; 2003 ; 2005 ; 2007 ; 2009 ; 2011 ; 2013 ; 2015 ; 2017 ; 2019 ; 2022 ; 2023 ; 2024 ;

Last updated April 20, 2025

Japan competed at the 2017 World Aquatics Championships in Budapest, Hungary from 14 July to 30 July.

Medalists

Medal	Name	Sport	Event	Date
Silver	Yui Ohashi	Swimming	Women's 200 m individual medley	July 24
Silver	Kosuke Hagino	Swimming	Men's 200 m individual medley	July 27
Silver	Yasuhiro Koseki	Swimming	Men's 200 m breaststroke	July 28
Silver	Junya Koga	Swimming	Men's 50 m backstroke	July 30
Bronze	Sakiko Akutsu Juka Fukumura Aiko Hayashi Yukiko Inui Minami Kono Kei Marumo Kanami Nakamaki Mai Nakamura Kano Omata Asuka Tasaki	Synchronized swimming	Women's team technical routine	July 18
Bronze	Sakiko Akutsu Juka Fukumura Aiko Hayashi Yukiko Inui Minami Kono Kei Marumo Kanami Nakamaki Mai Nakamura Kano Omata Yuriko Osawa Asuka Tasaki Maiko Yamazaki	Synchronized swimming	Women's free routine combination	July 22
Bronze	Daiya Seto	Swimming	Men's 200 m butterfly	July 26
Bronze	Ippei Watanabe	Swimming	Men's 200 m breaststroke	July 28
Bronze	Daiya Seto	Swimming	Men's 400 m individual medley	July 30

Diving

Japan has entered 5 divers (two male and three female).^[1]

Men

Athlete	Event	Preliminaries		Semifinals		Final
Athlete	Event	Points	Rank	Points	Rank	Points	Rank
Sho Sakai	3 m springboard	445.65	6 Q	407.80	13	did not advance
Kazuki Murakami	10 m platform	349.70	28	did not advance

Women

Athlete	Event	Preliminaries		Semifinals		Final
Athlete	Event	Points	Rank	Points	Rank	Points	Rank
Minami Itahashi	10 m platform	304.00	15 Q	313.70	12 Q	357.85	7
Nana Sasaki	10 m platform	274.80	24	did not advance
Matsuri Arai Nana Sasaki	10 m synchronized platform	280.44	10 Q	—		283.32	10

Mixed

Athlete	Event	Final
Athlete	Event	Points	Rank
Minami Itahashi Kazuki Murakami	10 m synchronized platform	307.74	6

Open water swimming

Japan has entered six open water swimmers^[2]^[3]

Athlete	Event	Time	Rank
Yasunari Hirai	Men's 5 km	55:33.3	33
Yasunari Hirai	Men's 10 km	1:54:52.9	40
Yohsuke Miyamoto	Men's 5 km	55:38.0	34
Yohsuke Miyamoto	Men's 25 km	5:11:32.1	15
Taiki Nonaka	Men's 10 km	1:55:14.1	44
Taiki Nonaka	Men's 25 km	5:13:35.5	19
Yumi Kida	Women's 10 km	2:03:06.6	23
Yumi Kida	Women's 25 km	5:39:31.5	15
Yukimi Moriyama	Women's 5 km	1:01:14.5	21
Yukimi Moriyama	Women's 10 km	2:02:13.3	20
Minami Niikura	Women's 5 km	1:00:55.0	16
Yukimi Moriyama Minami Niikura Yasunari Hirai Yohsuke Miyamoto	Mixed team	55:54.0	9

Swimming

Japanese swimmers have achieved qualifying standards in the following events (up to a maximum of 2 swimmers in each event at the A-standard entry time, and 1 at the B-standard):^[4]

Men

Athlete	Event	Heat		Semifinal		Final
Athlete	Event	Time	Rank	Time	Rank	Time	Rank
Naito Ehara	200 m freestyle	1:47.31	15 Q	1:47.36	15	did not advance
Kosuke Hagino	200 m backstroke	1:57.97	12 Q	1:58.72	14	did not advance
	200 m individual medley	1:56.46	1 Q	1:56.04	2 Q	1:56.01
	400 m individual medley	4:14.15	7 Q	—		4:12.65	6
Ryosuke Irie	100 m backstroke	53.54	5 Q	53.02	4 Q	53.03	4
Ryosuke Irie	200 m backstroke	1:57.21	6 Q	1:55.79	6 Q	1:56.35	7
Yuki Kobori	100 m butterfly	52.17	20	did not advance
Junya Koga	50 m backstroke	24.54	1 Q	24.44	2 Q	24.51
Yasuhiro Koseki	50 m breaststroke	27.21 AS	10 Q	27.17 AS	11	did not advance
	100 m breaststroke	59.76	11 Q	59.18	6 Q	59.10	4
	200 m breaststroke	2:10.38	12 Q	2:07.80	4 Q	2:07.29
Katsuhiro Matsumoto	200 m freestyle	1:47.92	27	did not advance
Katsumi Nakamura	50 m freestyle	22.32	23	did not advance
Katsumi Nakamura	100 m freestyle	49.10	28	did not advance
Masato Sakai	200 m butterfly	1:55.94	6 Q	1:55.57	7 Q	1:55.04	6
Daiya Seto	200 m butterfly	1:54.89	2 Q	1:54.03	1 Q	1:54.21
	200 m individual medley	1:57.55	4 Q	1:56.92	5 Q	1:56.97	5
	400 m individual medley	4:12.89	4 Q	—		4:09.14
Shinri Shioura	50 m freestyle	22.17	15 Q	22.02	14	did not advance
Shinri Shioura	100 m freestyle	48.46	=5 Q	48.54	11	did not advance
Ippei Watanabe	100 m breaststroke	1:00.26	22	did not advance
Ippei Watanabe	200 m breaststroke	2:09.30	3 Q	2:07.44	2 Q	2:07.47
Junya Koga Katsuhiro Matsumoto Katsumi Nakamura Shinri Shioura	4×100 m freestyle relay	3:14.82	7 Q	—		3:13.65	5
Tsubasa Amai Naito Ehara Kosuke Hagino Katsuhiro Matsumoto	4×200 m freestyle relay	7:09.66	6 Q	—		7:07.68	5
Ryosuke Irie Yuki Kobori Yasuhiro Koseki Shinri Shioura	4×100 m medley relay	3:31.63	2 Q	—		3:30.19 AS	4

Women

Athlete	Event	Heat		Semifinal		Final
Athlete	Event	Time	Rank	Time	Rank	Time	Rank
Reona Aoki	100 m breaststroke	1:07.48	17 q	1:07.43	14	did not advance
Reona Aoki	200 m breaststroke	2:25.93	12 Q	2:24.42	10	did not advance
Tomomi Aoki	100 m freestyle	1:59.44	23	did not advance
Suzuka Hasegawa	200 m butterfly	2:09.10	12 Q	2:07.01	4 Q	2:07.43	6
Chihiro Igarashi	200 m freestyle	1:57.67	11 Q	1:57.96	13	did not advance
Rikako Ikee	50 m freestyle	25.04	16 Q	24.94	16	did not advance
	100 m freestyle	54.91	21	did not advance
	50 m butterfly	25.72	3 Q	25.90	13	did not advance
	100 m butterfly	57.45	4 Q	56.89	4 Q	57.08	6
Runa Imai	200 m individual medley	2:11.15	5 Q	2:10.15	7 Q	2:09.99	5
Hiroko Makino	200 m butterfly	2:09.14	15 Q	2:07.95	10	did not advance
Yui Ohashi	200 m individual medley	2:11.44	8 Q	2:10.45	8 Q	2:07.91 NR
Yui Ohashi	400 m individual medley	4:36.97	7 Q	—		4:34.50	4
Sakiko Shimizu	400 m individual medley	4:36.43	5 Q	—		4:35.62	5
Satomi Suzuki	50 m breaststroke	30.95	14 Q	30.95	13	did not advance
	100 m breaststroke	1:07.20	=10 Q	1:07.08	11	did not advance
	200 m breaststroke	2:26.78	15 Q	2:25.60	12	did not advance
Tomomi Aoki Chihiro Igarashi Rikako Ikee Yui Yamane	4×100 m freestyle relay	3:37.46	7 Q	—		3:38.24	7
Tomomi Aoki Chihiro Igarashi Rikako Ikee Aya Takano	4×200 m freestyle relay	7:53.67	2 Q	—		7:50.43	5

Mixed

Athlete	Event	Heat		Final
Athlete	Event	Time	Rank	Time	Rank
Katsuhiro Matsumoto Katsumi Nakamura Tomomi Aoki* Rikako Ikee Shinri Shioura	4×100 m freestyle relay	3:26.91 AS	6 Q	3:24.78 AS	4
Runa Imai Sakiko Shimizu Tsubasa Amai Junya Koga	4×100 m medley relay	3:53.79	10	did not advance

Synchronized swimming

Japan's synchronized swimming team consisted of 14 athletes (1 male and 13 female).^[5]

Women

Athlete	Event	Preliminaries		Final
Athlete	Event	Points	Rank	Points	Rank
Yukiko Inui	Solo technical routine	90.8837	3 Q	91.7490	4
Yukiko Inui	Solo free routine	91.9667	4 Q	92.0667	4
Yukiko Inui Mai Nakamura Kanami Nakamaki (R)	Duet technical routine	90.1304	4 Q	92.0572	4
Yukiko Inui Kanami Nakamaki Mai Nakamura (R)	Duet free routine	92.6000	4 Q	93.1333	4
Sakiko Akutsu Juka Fukumura Aiko Hayashi (R) Yukiko Inui Minami Kono Kei Marumo Kanami Nakamaki Mai Nakamura Kano Omata Asuka Tasaki (R)	Team technical routine	91.7484	3 Q	93.1590
Sakiko Akutsu Juka Fukumura Aiko Hayashi Yukiko Inui Minami Kono (R) Kei Marumo Kanami Nakamaki Mai Nakamura Kano Omata Asuka Tasaki (R)	Team free routine	92.4667	4 Q	93.1000	4
Sakiko Akutsu Juka Fukumura Aiko Hayashi (R) Yukiko Inui Minami Kono Kei Marumo Kanami Nakamaki Mai Nakamura Kano Omata Yuriko Osawa Asuka Tasaki Maiko Yamazaki (R)	Free routine combination	92.9667	3 Q	93.2000

Mixed

Athlete	Event	Preliminaries		Final
Athlete	Event	Points	Rank	Points	Rank
Atsushi Abe Yumi Adachi	Duet technical routine	84.8153	4 Q	86.2679	4
Atsushi Abe Yumi Adachi	Duet free routine	86.9333	4 Q	88.0000	4

Legend: (R) = Reserve Athlete

Water polo

Japan qualified both a men's and women's teams.^[6]^[7]

Men's tournament

Team roster

Group play

Pos	Team	Pld	W	L	GF	GA	GD	Pts	Qualification
1	Croatia	3	3	0	38	21	+17	6	Quarterfinals
2	Russia	3	1	2	34	32	+2	2^[a]	Playoffs
3	Japan	3	1	2	29	38	−9	2^[a]	Playoffs
4	United States	3	1	2	28	38	−10	2^[a]

Source: Sportresult
Rules for classification: 1) points; 2) head-to-head points; 3) head-to-head goal difference; 4) head-to-head number of goals scored; 5) better result against higher placed team.
Notes:

1 2 3 Russia 2 Pts, +4 GD; Japan 2 Pts, +1 GD; United States 2 Pts, −5 GD

17 July 2017 21:30	Report	Japan	8–15	Russia	Alfréd Hajós National Swimming Stadium, Budapest Referees: Daniel Flahive (AUS), Stanko Ivanovski (MNE)
		Score by quarters: 1–5, 2–3, 2–3, 3–4
		three players 2	Goals	four players 3

19 July 2017 17:30	Report	United States	7–15	Japan	Alfréd Hajós National Swimming Stadium, Budapest Referees: Daniel Flahive (AUS), Benjamin Mercier (FRA)
		Score by quarters:2–1, 2–5, 2–4, 1–5
		Dunstan, Hallock 2	Goals	Adachi 7

21 July 2017 13:30	Report	Japan	6–16	Croatia	Alfréd Hajós National Swimming Stadium, Budapest Referees: Daniel Flahive (AUS), Benjamin Mercier (FRA)
		Score by quarters: 1–5, 3–5, 1–4, 1–2
		Arai 2	Goals	four players 3

Playoffs

23 July 2017 20:30	Report	Greece	14–4	Japan	Alfréd Hajós National Swimming Stadium, Budapest Referees: Frank Ohme (GER), Steven Rotsart (USA)
		Score by quarters:5–2, 5–0, 2–2, 2–0
		Fountoulis 4	Goals	Adachi 2

9th–12th place semifinals

25 July 2017 12:10	Report	Brazil	7–9	Japan	Alfréd Hajós National Swimming Stadium, Budapest Referees: Diana Dutilh-Dumas (NED), Radosław Koryzna (POL)
		Score by quarters: 1–3, 3–4, 1–1, 2–1
		Coutinho, Freitas 2	Goals	Adachi 3

Ninth place game

27 July 2017 12:00	Report	Japan	11–13	Spain	Alfréd Hajós National Swimming Stadium, Budapest Referees: Stanko Ivanovski (MNE), Viktor Salnichenko (KAZ)
		Score by quarters:2–1, 4–6, 3–4, 2–2
		Adachi, Okawa 3	Goals	Español 5

Women's tournament

Team roster

Group play

Pos	Team	Pld	W	L	GF	GA	GD	Pts	Qualification
1	Hungary (H)	3	3	0	54	24	+30	6	Quarterfinals
2	Netherlands	3	2	1	45	20	+25	4	Playoffs
3	France	3	1	2	16	49	−33	2	Playoffs
4	Japan	3	0	3	27	49	−22	0

Source: Sportresult
Rules for classification: 1) points; 2) head-to-head points; 3) head-to-head goal difference; 4) head-to-head number of goals scored; 5) Goal difference.
(H) Hosts

16 July 2017 20:10	Report	Japan	11–20	Hungary	Alfréd Hajós National Swimming Stadium, Budapest Referees: Steven Rotsart (USA), Alessandro Severo (ITA)
		Score by quarters: 1–4, 3–8, 2–5, 5–3
		Arima, Yamamoto 4	Goals	Bujka 5

18 July 2017 12:10	Report	Japan	8–20	Netherlands	Alfréd Hajós National Swimming Stadium, Budapest Referees: Mikhail Dykman (CAN), Michael Brooks (NZL)
		Score by quarters: 0–7, 5–3, 2–5, 1–5
		Arima 3	Goals	Van der Sloot 6

20 July 2017 09:30	Report	Japan	8–9	France	Alfréd Hajós National Swimming Stadium, Budapest Referees: Radoslaw Koryzna (POL), Francesc Buch (ESP)
		Score by quarters: 3–3, 0–3, 3–1, 2–2
		Inaba 3	Goals	Millot 4

13th–16th place semifinals

22 July 2017 12:00	Report	Japan	17–8	Kazakhstan	Alfréd Hajós National Swimming Stadium, Budapest Referees: Diego Garibaldi (ARG), Michael Brooks (NZL)
		Score by quarters:3–1, 2–1, 7–4, 5–2
		Arima, Sakanoue 4	Goals	Mirshina 4

13th place game

24 July 2017 10:50	Report	Brazil	9–11	Japan	Alfréd Hajós National Swimming Stadium, Budapest Referees: Daniel Daners (URU), Dion Willis (RSA)
		Score by quarters: 2–2, 2–6, 2–1, 3–2
		Abla 4	Goals	Sakanoue 4

References

↑ "Entry List by NAT (Diving)". www.omegatiming.com. Omega Timing. 11 July 2017. Retrieved 11 July 2017.
↑ "Open Water Entry List by NAT - Men". www.omegatiming.com/. 11 July 2017. Archived from the original on 18 July 2017. Retrieved 14 July 2017.
↑ "Open Water Entry List by NAT - Women". www.omegatiming.com/. 11 July 2017. Archived from the original on 18 July 2017. Retrieved 14 July 2017.
↑ "Entry List by Nation (Swimming)". www.omegatiming.com. Omega Timing. 19 July 2017. Archived from the original on 9 October 2018. Retrieved 20 July 2017.
↑ "Entry List by Nation (Synchronized swimming)". www.omegatiming.com. Omega Timing. 11 July 2017. Retrieved 12 July 2017.
↑ "Entry List by Nation (Water Polo Men)" (PDF). www.omegatiming.com. Omega Timing. 15 July 2017. Archived from the original (PDF) on 29 July 2017. Retrieved 16 July 2017.
↑ "Entry List by Nation (Water Polo Women)" (PDF). www.omegatiming.com. Omega Timing. 15 July 2017. Archived from the original (PDF) on 2 July 2019. Retrieved 16 July 2017.

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[table_hth_RUS0.44920204321351-8] 1 2 3 Russia 2 Pts, +4 GD; Japan 2 Pts, +1 GD; United States 2 Pts, −5 GD

[1] "Entry List by NAT (Diving)". www.omegatiming.com. Omega Timing. 11 July 2017. Retrieved 11 July 2017.

[2] "Open Water Entry List by NAT - Men". www.omegatiming.com/. 11 July 2017. Archived from the original on 18 July 2017. Retrieved 14 July 2017.

[3] "Open Water Entry List by NAT - Women". www.omegatiming.com/. 11 July 2017. Archived from the original on 18 July 2017. Retrieved 14 July 2017.

[4] "Entry List by Nation (Swimming)". www.omegatiming.com. Omega Timing. 19 July 2017. Archived from the original on 9 October 2018. Retrieved 20 July 2017.

[5] "Entry List by Nation (Synchronized swimming)". www.omegatiming.com. Omega Timing. 11 July 2017. Retrieved 12 July 2017.

[6] "Entry List by Nation (Water Polo Men)" (PDF). www.omegatiming.com. Omega Timing. 15 July 2017. Archived from the original (PDF) on 29 July 2017. Retrieved 16 July 2017.

[7] "Entry List by Nation (Water Polo Women)" (PDF). www.omegatiming.com. Omega Timing. 15 July 2017. Archived from the original (PDF) on 2 July 2019. Retrieved 16 July 2017.

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[a]

v t e Nations at the 2017 World Aquatics Championships in Budapest, Hungary
Africa	Algeria Angola Benin Botswana Burkina Faso Burundi Central African Republic Comoros Djibouti Egypt The Gambia Ghana Guinea Ivory Coast Kenya Libya Madagascar Malawi Mali Mauritius Morocco Mozambique Namibia Niger Nigeria Rwanda Senegal Seychelles Sierra Leone South Africa Swaziland Tanzania Togo Tunisia Uganda Zambia Zimbabwe
Americas	Antigua and Barbuda Argentina Aruba Bahamas Barbados Bolivia Brazil British Virgin Islands Canada Cayman Islands Chile Colombia Costa Rica Cuba Curaçao Dominican Republic Ecuador El Salvador Grenada Guatemala Guyana Haiti Honduras Jamaica Mexico Nicaragua Panama Paraguay Peru Puerto Rico Saint Lucia Saint Vincent and the Grenadines Suriname Trinidad and Tobago United States Uruguay Venezuela Virgin Islands
Asia	Afghanistan Bahrain Bangladesh Brunei Cambodia China East Timor Hong Kong India Indonesia Iran Iraq Japan Jordan Kazakhstan North Korea South Korea Kyrgyzstan Laos Lebanon Macau Malaysia Maldives Mongolia Nepal Oman Pakistan Palestine Philippines Qatar Singapore Sri Lanka Syria Chinese Taipei Tajikistan Thailand Turkmenistan United Arab Emirates Uzbekistan Vietnam Yemen
Europe	Albania Andorra Armenia Austria Azerbaijan Belarus Belgium Bosnia and Herzegovina Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Faroe Islands Finland France Georgia Germany Great Britain Greece Hungary Iceland Ireland Israel Italy Kosovo Latvia Liechtenstein Lithuania Luxembourg Macedonia Malta Moldova Monaco Montenegro Netherlands Norway Poland Portugal Romania Russia Serbia Slovakia Slovenia Spain Sweden Switzerland Turkey Ukraine
Oceania	American Samoa Australia Cook Islands Federated States of Micronesia Fiji Guam Marshall Islands New Zealand Northern Mariana Islands Palau Papua New Guinea Samoa Tonga
Others	Independent FINA Athletes Suspended Member Federation