Theswimming events at the2023 World Aquatics Championships were held from 23 to 30 July 2023 at theMarine Messe Fukuoka Hall A inFukuoka, Japan.^[1][2]Léon Marchand ofFrance won the Male Swimmer of the Championships award andKaylee McKeown ofAustralia won the Female Swimmer of Championships award based on individual point score. TheUnited States won the Team of the Championships award based on team point score.^[3] World Records were broken in six individual and three relay events. China'sQin Haiyang and Australia'sKaylee McKeown became the first male and female athletes at a World Aquatics Championships to win the 50 m, 100 m & 200 m events in a single stroke, at a single World Aquatics Championships.^[4]

42 events were held.^[5][6]

All times are local (UTC+9).

  *   Host nation (Japan)

Rank	Nation	Gold	Silver	Bronze	Total
1	Australia	13	7	5	25
2	United States	7	20	11	38
3	China	5	3	8	16
4	France	4	0	2	6
5	Great Britain	2	2	4	8
6	Canada	2	2	2	6
7	Tunisia	2	1	0	3
8	Lithuania	2	0	0	2
	Sweden	2	0	0	2
10	Italy	1	4	1	6
11	South Africa	1	1	0	2
12	Hungary	1	0	0	1
13	Netherlands	0	1	2	3
14	Hong Kong	0	1	0	1
	Poland	0	1	0	1
	Portugal	0	1	0	1
17	Japan*	0	0	2	2
18	Germany	0	0	1	1
	New Zealand	0	0	1	1
	South Korea	0	0	1	1
	Switzerland	0	0	1	1
Totals (21 entries)		42	44	41	127

Event	Gold		Silver		Bronze
50 metre freestyle details	Cameron McEvoy  Australia	21.06OC	Jack Alexy  United States	21.57	Ben Proud  Great Britain	21.58
100 metre freestyle details	Kyle Chalmers  Australia	47.15	Jack Alexy  United States	47.31	Maxime Grousset  France	47.42
200 metre freestyle details	Matt Richards  Great Britain	1:44.30	Tom Dean  Great Britain	1:44.32	Hwang Sun-woo  South Korea	1:44.42NR
400 metre freestyle details	Samuel Short  Australia	3:40.68	Ahmed Hafnaoui  Tunisia	3:40.70AF	Lukas Märtens  Germany	3:42.20
800 metre freestyle details	Ahmed Hafnaoui  Tunisia	7:37.00	Samuel Short  Australia	7:37.76OC	Bobby Finke  United States	7:38.67AM
1500 metre freestyle details	Ahmed Hafnaoui  Tunisia	14:31.54CR,AF	Bobby Finke  United States	14:31.59AM	Samuel Short  Australia	14:37.28
50 metre backstroke details	Hunter Armstrong  United States	24.05	Justin Ress  United States	24.24	Xu Jiayu  China	24.50
100 metre backstroke details	Ryan Murphy  United States	52.22	Thomas Ceccon  Italy	52.27	Hunter Armstrong  United States	52.58
200 metre backstroke details	Hubert Kós  Hungary	1:54.14NR	Ryan Murphy  United States	1:54.83	Roman Mityukov   Switzerland	1:55.34NR
50 metre breaststroke details	Qin Haiyang  China	26.29	Nic Fink  United States	26.59	Sun Jiajun  China	26.79
100 metre breaststroke details	Qin Haiyang  China	57.69AS	Nicolò Martinenghi  Italy Arno Kamminga  Netherlands Nic Fink  United States	58.72	None awarded
200 metre breaststroke details	Qin Haiyang  China	2:05.48WR	Zac Stubblety-Cook  Australia	2:06.40	Matthew Fallon  United States	2:07.74
50 metre butterfly details	Thomas Ceccon  Italy	22.68NR	Diogo Ribeiro  Portugal	22.80NR	Maxime Grousset  France	22.82
100 metre butterfly details	Maxime Grousset  France	50.14NR	Joshua Liendo  Canada	50.34NR	Dare Rose  United States	50.46
200 metre butterfly details	Léon Marchand  France	1:52.43NR	Krzysztof Chmielewski  Poland	1:53.62	Tomoru Honda  Japan	1:53.66
200 metre individual medley details	Léon Marchand  France	1:54.82ER	Duncan Scott  Great Britain	1:55.95	Tom Dean  Great Britain	1:56.07
400 metre individual medley details	Léon Marchand  France	4:02.50WR	Carson Foster  United States	4:06.56	Daiya Seto  Japan	4:09.41
4 × 100 metre freestyle relay details	Australia Jack Cartwright (47.84) Flynn Southam (47.85) Kai Taylor (47.91) Kyle Chalmers (46.56) Matthew Temple[b]	3:10.16	Italy Alessandro Miressi (47.54) Manuel Frigo (47.79) Lorenzo Zazzeri (48.13) Thomas Ceccon (47.03) Leonardo Deplano[b]	3:10.49	United States Ryan Held (48.16) Jack Alexy (47.56) Chris Guiliano (47.77) Matt King (47.32) Destin Lasco[b] Justin Ress[b]	3:10.81
4 × 200 metre freestyle relay details	Great Britain Duncan Scott (1:45.42) Matthew Richards (1:44.65) James Guy (1:45.17) Tom Dean (1:43.84) Joe Litchfield[b]	6:59.08	United States Luke Hobson (1:46.00) Carson Foster (1:44.49) Jake Mitchell (1:45.06) Kieran Smith (1:44.47) Drew Kibler[b] Baylor Nelson[b] Henry McFadden[b]	7:00.02	Australia Kai Taylor (1:45.79) Kyle Chalmers (1:45.19) Alexander Graham (1:45.55) Thomas Neill (1:45.60) Flynn Southam[b] Elijah Winnington[b]	7:02.13
4 × 100 metre medley relay details	United States Ryan Murphy (52.04) Nic Fink (58.03) Dare Rose (50.13) Jack Alexy (47.00) Hunter Armstrong[b] Josh Matheny[b] Thomas Heilman[b] Matt King[b]	3:27.20CR	China Xu Jiayu (53.39) Qin Haiyang (57.43) Wang Changhao (51.56) Pan Zhanle (46.62) Yan Zibei[b] Sun Jiajun[b] Wang Haoyu[b]	3:29.00AS	Australia Bradley Woodward (53.38) Zac Stubblety-Cook (59.25) Matthew Temple (50.10) Kyle Chalmers (46.89) Samuel Williamson[b] Kai Taylor[b]	3:29.62
AF African record |AM Americas record |AS Asian record |CR Championship record |ER European record |OC Oceania record |WR World record |NR National record

Event	Gold		Silver		Bronze
50 metre freestyle details	Sarah Sjöström  Sweden	23.62	Shayna Jack  Australia	24.10	Zhang Yufei  China	24.15
100 metre freestyle details	Mollie O'Callaghan  Australia	52.16	Siobhán Haughey  Hong Kong	52.49	Marrit Steenbergen  Netherlands	52.71
200 metre freestyle details	Mollie O'Callaghan  Australia	1:52.85WR	Ariarne Titmus  Australia	1:53.01	Summer McIntosh  Canada	1:53.65WJ,NR
400 metre freestyle details	Ariarne Titmus  Australia	3:55.38WR	Katie Ledecky  United States	3:58.73	Erika Fairweather  New Zealand	3:59.59NR
800 metre freestyle details	Katie Ledecky  United States	8:08.87	Li Bingjie  China	8:13.31AS	Ariarne Titmus  Australia	8:13.59=OC
1500 metre freestyle details	Katie Ledecky  United States	15:26.27	Simona Quadarella  Italy	15:43.31	Li Bingjie  China	15:45.71
50 metre backstroke details	Kaylee McKeown  Australia	27.08OC	Regan Smith  United States	27.11	Lauren Cox  Great Britain	27.20
100 metre backstroke details	Kaylee McKeown  Australia	57.53CR	Regan Smith  United States	57.78	Katharine Berkoff  United States	58.25
200 metre backstroke details	Kaylee McKeown  Australia	2:03.85	Regan Smith  United States	2:04.94	Peng Xuwei  China	2:06.74
50 metre breaststroke details	Rūta Meilutytė  Lithuania	29.16WR	Lilly King  United States	29.94	Benedetta Pilato  Italy	30.04
100 metre breaststroke details	Rūta Meilutytė  Lithuania	1:04.62	Tatjana Schoenmaker  South Africa	1:05.84	Lydia Jacoby  United States	1:05.94
200 metre breaststroke details	Tatjana Schoenmaker  South Africa	2:20.80	Kate Douglass  United States	2:21.23	Tes Schouten  Netherlands	2:21.63NR
50 metre butterfly details	Sarah Sjöström  Sweden	24.77	Zhang Yufei  China	25.05AS	Gretchen Walsh  United States	25.46
100 metre butterfly details	Zhang Yufei  China	56.12	Maggie Mac Neil  Canada	56.45	Torri Huske  United States	56.61
200 metre butterfly details	Summer McIntosh  Canada	2:04.06AM,WJ	Elizabeth Dekkers  Australia	2:05.46	Regan Smith  United States	2:06.78
200 metre individual medley details	Kate Douglass  United States	2:07.17	Alexandra Walsh  United States	2:07.97	Yu Yiting  China	2:08.74
400 metre individual medley details	Summer McIntosh  Canada	4:27.11CR	Katie Grimes  United States	4:31.41	Jenna Forrester  Australia	4:32.30
4 × 100 metre freestyle relay details	Australia Mollie O'Callaghan (52.08) Shayna Jack (51.69) Meg Harris (52.29) Emma McKeon (51.90) Brianna Throssell[b] Madison Wilson[b]	3:27.96WR	United States Gretchen Walsh (54.06) Abbey Weitzeil (52.71) Olivia Smoliga (52.88) Kate Douglass (52.28) Torri Huske[b] Maxine Parker[b]	3:31.93	China Cheng Yujie (53.39) Yang Junxuan (53.53) Wu Qingfeng (52.64) Zhang Yufei (52.84) Ai Yanhan[b] Zhu Menghui[b]	3:32.40AS
4 × 200 metre freestyle relay details	Australia Mollie O'Callaghan (1:53.66) Shayna Jack (1:55.63) Brianna Throssell (1:55.80) Ariarne Titmus (1:52.41) Madison Wilson[b] Lani Pallister[b] Kiah Melverton[b]	7:37.50WR	United States Erin Gemmell (1:55.97) Katie Ledecky (1:54.39) Bella Sims (1:54.64) Alex Shackell (1:56.38) Leah Smith[b] Anna Peplowski[b]	7:41.38	China Li Bingjie (1:55.83) Li Jiaping (1:58.54) Ai Yanhan (1:55.57) Liu Yaxin (1:55.46) Yang Peiqi[b] Ge Chutong[b]	7:44.40
4 × 100 metre medley relay details	United States Regan Smith (57.68) Lilly King (1:04.93) Gretchen Walsh (57.06) Kate Douglass (52.41) Katharine Berkoff[b] Lydia Jacoby[b] Torri Huske[b] Abbey Weitzeil[b]	3:52.08	Australia Kaylee McKeown (57.91) Abbey Harkin (1:07.07) Emma McKeon (56.44) Mollie O'Callaghan (51.95) Madison Wilson[b] Brianna Throssell[b] Meg Harris[b]	3:53.37	Canada Kylie Masse (58.74) Sophie Angus (1:06.21) Maggie Mac Neil (55.69) Summer McIntosh (53.48) Ingrid Wilm[b] Mary-Sophie Harvey[b]	3:54.12
AF African record |AM Americas record |AS Asian record |CR Championship record |ER European record |OC Oceania record |WR World record |NR National record

^b Swimmers who participated in the heats only and received medals.

Event	Gold		Silver		Bronze
4 × 100 metre freestyle relay details	Australia Jack Cartwright (48.14) Kyle Chalmers (47.25) Shayna Jack (51.73) Mollie O'Callaghan (51.71) Flynn Southam[b] Madison Wilson[b] Meg Harris[b]	3:18.83WR	United States Jack Alexy (47.68) Matt King (47.78) Abbey Weitzeil (52.94) Kate Douglass (52.42) Chris Guiliano[b] Olivia Smoliga[b] Bella Sims[b]	3:20.82	Great Britain Matt Richards (47.83) Duncan Scott (47.46) Anna Hopkin (53.30) Freya Anderson (53.09) Jacob Whittle[b] Tom Dean[b] Lucy Hope[b]	3:21.68ER
4 × 100 metre medley relay details	China Xu Jiayu (52.42) Qin Haiyang (57.31) Zhang Yufei (55.69) Cheng Yujie (53.15) Yan Zibei[b] Wang Yichun[b] Wu Qingfeng[b]	3:38.57	Australia Kaylee McKeown (58.03) Zac Stubblety-Cook (58.84) Matthew Temple (50.63) Shayna Jack (51.53) Bradley Woodward[b] Samuel Williamson[b] Emma McKeon[b]	3:39.03	United States Ryan Murphy (52.02) Nic Fink (58.19) Torri Huske (58.19) Kate Douglass (51.79) Katharine Berkoff[b] Josh Matheny[b] Dare Rose[b] Abbey Weitzeil[b]	3:40.19
AF African record |AM Americas record |AS Asian record |CR Championship record |ER European record |OC Oceania record |WR World record |NR National record

^b Swimmers who participated in the heats only and received medals.

The followingworld andchampionship records were set during the competition.

Date	Round	Event	Time	Name	Nation
July 23	Final	Women's 400 metre freestyle	3:55.38	Ariarne Titmus	Australia
July 23	Final	Men's 400 metre individual medley	4:02.50	Léon Marchand	France
July 23	Final	Women's 4 × 100 metre freestyle relay	3:27.96	Mollie O'Callaghan (52.08) Shayna Jack (51.69) Meg Harris (52.29) Emma McKeon (51.90)	Australia
July 26	Final	Women's 200 metre freestyle	1:52.85	Mollie O'Callaghan	Australia
July 27	Final	Women's 4 × 200 metre freestyle relay	7:37.50	Mollie O'Callaghan (1:53.66) Shayna Jack (1:55.63) Brianna Throssell (1:55.80) Ariarne Titmus (1:52.42)	Australia
July 28	Final	Men's 200 metre breaststroke	2:05.48	Qin Haiyang	China
July 29	Semifinal 2	Women's 50 metre freestyle	23.61	Sarah Sjöström	Sweden
July 29	Semifinal 2	Women's 50 metre breaststroke	=29.30	Rūta Meilutytė	Lithuania
July 29	Final	Mixed 4 × 100 metre freestyle relay	3:18.83	Jack Cartwright (48.14) Kyle Chalmers (47.25) Shayna Jack (51.73) Mollie O'Callaghan (51.71)	Australia
July 30	Final	Women's 50 metre breaststroke	29.16	Rūta Meilutytė	Lithuania

Date	Round	Event	Time	Name	Nation
July 25	Final	Women's 100 metre backstroke	57.53	Kaylee McKeown	Australia
July 30	Final	Men's 1500 metre freestyle	14:31.54	Ahmed Hafnaoui	Tunisia
July 30	Final	Women's 400 metre individual medley	4:27.11	Summer McIntosh	Canada
July 30	Final	Men's 4 × 100 metre medley relay	3:27.20	Ryan Murphy (52.04) Nic Fink (58.03) Dare Rose (50.13) Jack Alexy (47.00)	United States

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