# Swimming at the 2023 World Aquatics Championships

The swimming events at the 2023 World Aquatics Championships were held from 23 to 30 July 2023 at the Marine Messe Fukuoka Hall A in Fukuoka, Japan. Léon Marchand of France won the Male Swimmer of the Championships award and Kaylee McKeown of Australia won the Female Swimmer of Championships award based on individual point score. The United States won the Team of the Championships award based on team point score. World Records were broken in six individual and three relay events. China's Qin Haiyang and Australia's Kaylee McKeown became the first male and female athletes at a World Aquatics Championships to win the 50m, 100m & 200m events in a single stroke, at a single World Aquatics Championships.

## Schedule

42 events were held.
All times are local (UTC+9).
| H | Heats | ½ | Semi finals | F | Final |
Men :
| Date → | Sun 23 | Sun 23 | Mon 24 | Mon 24 | Tue 25 | Tue 25 | Wed 26 | Wed 26 | Thu 27 | Thu 27 | Fri 28 | Fri 28 | Sat 29 | Sat 29 | Sun 30 | Sun 30 |
| Event ↓ | M | E | M | E | M | E | M | E | M | E | M | E | M | E | M | E |
| 50 m freestyle | | | | | | | | | | | H | ½ | | F | | |
| 100 m freestyle | | | | | | | H | ½ | | F | | | | | | |
| 200 m freestyle | | | H | ½ | | F | | | | | | | | | | |
| 400 m freestyle | H | F | | | | | | | | | | | | | | |
| 800 m freestyle | | | | | H | | | F | | | | | | | | |
| 1500 m freestyle | | | | | | | | | | | | | H | | | F |
| 50 m backstroke | | | | | | | | | | | | | H | ½ | | F |
| 100 m backstroke | | | H | ½ | | F | | | | | | | | | | |
| 200 m backstroke | | | | | | | | | H | ½ | | F | | | | |
| 50 m breaststroke | | | | | H | ½ | | F | | | | | | | | |
| 100 m breaststroke | H | ½ | | F | | | | | | | | | | | | |
| 200 m breaststroke | | | | | | | | | H | ½ | | F | | | | |
| 50 m butterfly | H | ½ | | F | | | | | | | | | | | | |
| 100 m butterfly | | | | | | | | | | | H | ½ | | F | | |
| 200 m butterfly | | | | | H | ½ | | F | | | | | | | | |
| 200 m individual medley | | | | | | | H | ½ | | F | | | | | | |
| 400 m individual medley | H | F | | | | | | | | | | | | | | |
| 4 × 100 metre freestyle relay | H | F | | | | | | | | | | | | | | |
| 4 × 200 metre freestyle relay | | | | | | | | | | | H | F | | | | |
| 4 × 100 metre medley relay | | | | | | | | | | | | | | | H | F |
Women :
| Date → | Sun 23 | Sun 23 | Mon 24 | Mon 24 | Tue 25 | Tue 25 | Wed 26 | Wed 26 | Thu 27 | Thu 27 | Fri 28 | Fri 28 | Sat 29 | Sat 29 | Sun 30 | Sun 30 |
| Event ↓ | M | E | M | E | M | E | M | E | M | E | M | E | M | E | M | E |
| 50 m freestyle | | | | | | | | | | | | | H | ½ | | F |
| 100 m freestyle | | | | | | | | | H | ½ | | F | | | | |
| 200 m freestyle | | | | | H | ½ | | F | | | | | | | | |
| 400 m freestyle | H | F | | | | | | | | | | | | |
| 800 m freestyle | | | | | | | | | | | H | | | F | | |
| 1500 m freestyle | | | H | | | F | | | | | | | | | | |
| 50 m backstroke | | | | | | | H | ½ | | F | | | | | | |
| 100 m backstroke | | | H | ½ | | F | | | | | | | | | | |
| 200 m backstroke | | | | | | | | | | | H | ½ | | F | | |
| 50 m breaststroke | | | | | | | | | | | | | H | ½ | | F |
| 100 m breaststroke | | | H | ½ | | F | | | | | | | | | | |
| 200 m breaststroke | | | | | | | | | H | ½ | | F | | | | |
| 50 m butterfly | | | | | | | | | | | H | ½ | | F | | |
| 100 m butterfly | H | ½ | | F | | | | | | | | | | | | |
| 200 m butterfly | | | | | | | H | ½ | | F | | | | | | |
| 200 m individual medley | H | ½ | | F | | | | | | | | | | | | |
| 400 m individual medley | | | | | | | | | | | | | | | H | F |
| 4 × 100 metre freestyle relay | H | F | | | | | | | | | | | | | | |
| 4 × 200 metre freestyle relay | | | | | | | | | H | F | | | | | | |
| 4 × 100 metre medley relay | | | | | | | | | | | | | | | H | F |
Mixed :
| Date → | Sun 23 | Sun 23 | Mon 24 | Mon 24 | Tue 25 | Tue 25 | Wed 26 | Wed 26 | Thu 27 | Thu 27 | Fri 28 | Fri 28 | Sat 29 | Sat 29 | Sun 30 | Sun 30 |
| Event ↓ | M | E | M | E | M | E | M | E | M | E | M | E | M | E | M | E |
| 4 × 100 m freestyle relay | | | | | | | | | | | | | H | F | | |
| 4 × 100 m medley relay | | | | | | | H | F | | | | | | | | |

## Medal summary
### Medal table

* 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 |
| 8 | 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 |
| 14 | Poland | 0 | 1 | 0 | 1 |
| 14 | Portugal | 0 | 1 | 0 | 1 |
| 17 | Japan* | 0 | 0 | 2 | 2 |
| 18 | Germany | 0 | 0 | 1 | 1 |
| 18 | New Zealand | 0 | 0 | 1 | 1 |
| 18 | South Korea | 0 | 0 | 1 | 1 |
| 18 | Switzerland | 0 | 0 | 1 | 1 |
| Totals (21 entries) | Totals (21 entries) | 42 | 44 | 41 | 127 |

### Men

| Event | Gold | Gold | Silver | Silver | Bronze | Bronze |
| 50 metre freestyle details | Cameron McEvoy Australia | 21.06 OC | 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 | 1:44.42 NR |
| 400 metre freestyle details | Samuel Short Australia | 3:40.68 | Ahmed Hafnaoui Tunisia | 3:40.70 AF | Lukas Märtens Germany | 3:42.20 |
| 800 metre freestyle details | Ahmed Hafnaoui Tunisia | 7:37.00 | Samuel Short Australia | 7:37.76 OC | Bobby Finke United States | 7:38.67 AM |
| 1500 metre freestyle details | Ahmed Hafnaoui Tunisia | 14:31.54 CR, AF | Bobby Finke United States | 14:31.59 AM | 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 | 1:54.14 NR | Ryan Murphy United States | 1:54.83 | Roman Mityukov Switzerland | 1:55.34 NR |
| 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 | 57.69 AS | Nicolò Martinenghi ItalyArno Kamminga NetherlandsNic Fink United States | 58.72 | None awarded | None awarded |
| 200 metre breaststroke details | Qin Haiyang China | 2:05.48 WR | Zac Stubblety-Cook Australia | 2:06.40 | Matthew Fallon United States | 2:07.74 |
| 50 metre butterfly details | Thomas Ceccon Italy | 22.68 NR | Diogo Ribeiro Portugal | 22.80 NR | Maxime Grousset France | 22.82 |
| 100 metre butterfly details | Maxime Grousset France | 50.14 NR | Joshua Liendo Canada | 50.34 NR | Dare Rose United States | 50.46 |
| 200 metre butterfly details | Léon Marchand France | 1:52.43 NR | Krzysztof Chmielewski Poland | 1:53.62 | Tomoru Honda Japan | 1:53.66 |
| 200 metre individual medley details | Léon Marchand France | 1:54.82 ER | Duncan Scott Great Britain | 1:55.95 | Tom Dean Great Britain | 1:56.07 |
| 400 metre individual medley details | Léon Marchand France | 4:02.50 WR | 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 | 3:10.16 | Italy Alessandro Miressi (47.54) Manuel Frigo (47.79) Lorenzo Zazzeri (48.13) Thomas Ceccon (47.03) Leonardo Deplano | 3:10.49 | United States Ryan Held (48.16) Jack Alexy (47.56) Chris Guiliano (47.77) Matt King (47.32) Destin Lasco Justin Ress | 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 | 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 Baylor Nelson Henry McFadden | 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 Elijah Winnington | 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 Josh Matheny Thomas Heilman Matt King | 3:27.20 CR | China Xu Jiayu (53.39) Qin Haiyang (57.43) Wang Changhao (51.56) Pan Zhanle (46.62) Yan Zibei Sun Jiajun Wang Haoyu | 3:29.00 AS | Australia Bradley Woodward (53.38) Zac Stubblety-Cook (59.25) Matthew Temple (50.10) Kyle Chalmers (46.89) Samuel Williamson Kai Taylor | 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 |||||| |

### Women

| Event | Gold | Gold | Silver | Silver | Bronze | 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 | 1:52.85 WR | Ariarne Titmus Australia | 1:53.01 | Summer McIntosh Canada | 1:53.65 WJ, NR |
| 400 metre freestyle details | Ariarne Titmus Australia | 3:55.38 WR | Katie Ledecky United States | 3:58.73 | Erika Fairweather New Zealand | 3:59.59 NR |
| 800 metre freestyle details | Katie Ledecky United States | 8:08.87 | Li Bingjie China | 8:13.31 AS | 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 | 27.08 OC | Regan Smith United States | 27.11 | Lauren Cox Great Britain | 27.20 |
| 100 metre backstroke details | Kaylee McKeown Australia | 57.53 CR | 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 | 29.16 WR | 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 | 2:21.63 NR |
| 50 metre butterfly details | Sarah Sjöström Sweden | 24.77 | Zhang Yufei China | 25.05 AS | 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 | 2:04.06 AM, 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 | 4:27.11 CR | 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 Madison Wilson | 3:27.96 WR | United States Gretchen Walsh (54.06) Abbey Weitzeil (52.71) Olivia Smoliga (52.88) Kate Douglass (52.28) Torri Huske Maxine Parker | 3:31.93 | China Cheng Yujie (53.39) Yang Junxuan (53.53) Wu Qingfeng (52.64) Zhang Yufei (52.84) Ai Yanhan Zhu Menghui | 3:32.40 AS |
| 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 Lani Pallister Kiah Melverton | 7:37.50 WR | United States Erin Gemmell (1:55.97) Katie Ledecky (1:54.39) Bella Sims (1:54.64) Alex Shackell (1:56.38) Leah Smith Anna Peplowski | 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 Ge Chutong | 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 Lydia Jacoby Torri Huske Abbey Weitzeil | 3:52.08 | Australia Kaylee McKeown (57.91) Abbey Harkin (1:07.07) Emma McKeon (56.44) Mollie O'Callaghan (51.95) Madison Wilson Brianna Throssell Meg Harris | 3:53.37 | Canada Kylie Masse (58.74) Sophie Angus (1:06.21) Maggie Mac Neil (55.69) Summer McIntosh (53.48) Ingrid Wilm Mary-Sophie Harvey | 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.

### Mixed events

| Event | Gold | Gold | Silver | Silver | Bronze | 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 Madison Wilson Meg Harris | 3:18.83 WR | United States Jack Alexy (47.68) Matt King (47.78) Abbey Weitzeil (52.94) Kate Douglass (52.42) Chris Guiliano Olivia Smoliga Bella Sims | 3:20.82 | Great Britain Matt Richards (47.83) Duncan Scott (47.46) Anna Hopkin (53.30) Freya Anderson (53.09) Jacob Whittle Tom Dean Lucy Hope | 3:21.68 ER |
| 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 Wang Yichun Wu Qingfeng | 3:38.57 | Australia Kaylee McKeown (58.03) Zac Stubblety-Cook (58.84) Matthew Temple (50.63) Shayna Jack (51.53) Bradley Woodward Samuel Williamson Emma McKeon | 3:39.03 | United States Ryan Murphy (52.02) Nic Fink (58.19) Torri Huske (58.19) Kate Douglass (51.79) Katharine Berkoff Josh Matheny Dare Rose Abbey Weitzeil | 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.

## Records

The following world and championship records were set during the competition.

### World records

| 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 |

### Championship records

| 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 |