Watch All 10 Of The World Records Set at The 2023 World Championships

2023 WORLD AQUATICS CHAMPIONSHIPS

A total of ten new World Records were set at the 2023 World Championships. Highlighting the records was Australia’s Mollie O’Callaghan who broke the individual 200 free as well as contributed to three of Australia’s World Record setting relays. Ruta Meilutyte also highlighted the records as she tied the 50 breaststroke World Record in semifinals, before swimming faster in finals to become the World Record holder. Another highlight included Leon Marchand who broke Michael Phelps‘ final World Record, breaking the 400 IM by over a second.

MEN’S 400 INDIVIDUAL MEDLEY – FINAL

• World Record: Michael Phelps, USA – 4:03.84 (2008)
• World Junior Record: Ilya Borodin, Russia – 4:10.02 (2021)
• Championship Record: Leon Marchand, France – 4:04.28 (2022)
• 2022 World Champion: Leon Marchand, France – 4:04.28

1. Leon Marchand (FRA) — 4:02.50 (WORLD RECORD)
2. Carson Foster (USA) — 4:06.56
3. Daiya Seto (JPN) — 4:09.41
4. Chase Kalisz (USA) — 4:10.23
5. Brendon Smith (AUS) — 4:10.37
6. Lewis Clareburt (NZL) — 4:11.29
7. Alberto Razzetti (ITA) — 4:11.73
8. Balazs Hollo (HUN) — 4:13.36

200 FREESTYLE

• World Record: Federica Pellegrini, Italy — 1:52.98 (2009)
• World Junior Record: Summer McIntosh, Canada – 1:53.91 (2023)
• Championship Record: Federica Pellegrini, Italy -1:52.98 (2009)
• 2022 World Champion: Yang Junxuan, China – 1:54.92
• 2022 Time to Medal: 1:56.25

Top 8:

1. Mollie O’Callaghan (AUS) — 1:52.85 (WORLD RECORD)
2. Ariarne Titmus (AUS) — 1:53.01
3. Summer McIntosh (CAN) — 1:53.65 (WORLD JUNIOR RECORD)
4. Siobhan Haughey (HKG) — 1:53.96
5. Marrit Steenbergen (NED) — 1:55.51
6. Bella Sims (USA) — 1:56.00
7. Freya Anderson (GBR) — 1:56.33
8. Liu Yaxin (CHN) — 1:56.97

WOMEN’S 4×100 FREESTYLE RELAY

• World Record: Australia – 3:29.69 (2021)
• Championship Record: Australia – 3:30.21 (2019)
• 2022 World Champion: Australia – 3:30.95

1. Australia — 3:27.96 (WORLD RECORD)
2. United States — 3:31.93
3. China — 3:32.40
4. Great Britain — 3:33.90
5. Sweden — 3:34.17
6. Netherlands — 3:35.41
7. Canada — 3:36.62
8. Japan — 3:38.61

WOMEN’S 4×200 FREESTYLE RELAY

• World Record: Australia – 7:39.29 (2022)
• Championship Record: United States – 7:41.45 (2022)
• 2022 World Champion: United States – 7:41.45
• 2022 Time to Medal: 7:44.76

Top 8:

1. Australia (O’Callaghan, Jack, Throssell, Titmus) — 7:37.50 (WORLD RECORD)
2. United States (Gemmell, Ledecky, Sims, Shackell) — 7:41.38
3. China (Li, Li, Ai, Liu) — 7:44.40
4. Great Britain — 7:46.63
5. Canada — 7:49.98
6. Netherlands — 7:52.93
7. Hungary — 7:54.65
8. Brazil — 7:59.10

MIXED 4×100 FREESTYLE RELAY

• World Record: 3:19.38 — Australia (2022)
• Championship Record: 3:19.38 — Australia (2022)
• World Junior Record: 3:25.92 — United States (2019)
• 2022 Winning Time: 3:19.38

Top 8:

1. Australia (Cartwright, Chalmers, Jack, O’Callaghan) — 3:18.83 (WORLD RECORD)
2. United States (Alexy, King, Weitzeil, Douglass) — 3:20.82
3. Great Britain (Richards, Scott, Hopkin, Anderson) — 3:21.68
4. Canada — 3:23.82
5. Italy — 3:24.53
6. Brazil — 3:25.21
7. Japan — 3:26.96
8. Germany — 3:27.18

WOMEN’S 50 BREASTSTROKE — FINAL

• World Record: 29.30 — Benedetta Pilato, Italy (2021) / Ruta Meilutyte, Lithuania (2023)
• Championship Record: 29.30 — Ruta Meilutyte, Lithuania (2023)
• World Junior Record: 29.30 — Benedetta Pilato, Italy (2021)
• 2022 Winning Time: 29.70 — Ruta Meilutyte, Lithuania

Top 8:

1. Ruta Meilutyte (LTU) – 29.16
2. Lilly King (USA) – 29.94
3. Benedetta Pilato (ITA) – 30.04
4. Lara van Niekerk (RSA) – 30.09
5. Anita Bottazzo (ITA) – 30.11
6. Tang Quianting (CHN) – 30.22
7. Satomi Suzuki (JPN) – 30.44
8. Eneli Jefimova (EST) – 30.48

WOMEN’S 400 FREESTYLE – FINALS

• World Record: Summer McIntosh, Canada – 3:56.08 (2023)
• World Junior Record: Summer McIntosh, Canada – 3:56.08 (2023)
• Championship Record: Katie Ledecky, USA – 3:58.15 (2022)
• 2022 World Champion: Katie Ledecky, USA – 3:58.15

1. Ariarne Titmus (AUS) — 3:55.38 (WORLD RECORD)
2. Katie Ledecky (USA) — 3:58.73
3. Erika Fairweather (NZL) — 3:59.59
4. Summer McIntosh (CAN) — 3:59.94
5. Li Bingjie (CHN) — 4:01.65
6. Lani Pallister (AUS) — 4:05.17
7. Isabel Gose (GER) — 4:05.27
8. Bella Sims (USA) — 4:05.37

MEN’S 200 BREASTSTROKE – FINAL

• World Record: Zac Stubblety-Cook, Australia – 2:05.95
• World Junior Record: Dong Zhihao, China – 2:08.83 (2023)
• Championship Record: Anton Chupkov, Russia – 2:06.12 (2019)
• 2022 World Champion: Zac Stubblety-Cook, Australia – 2:07.07
• 2022 Time to Medal: 2:08.38

Top 8:

1. Qin Haiyang (CHN) — 2:05.48 (WORLD RECORD)
2. Zac Stubblety-Cook (AUS) — 2:06.40
3. Matt Fallon (USA) — 2:07.74
4. Dong Zhihao (CHN) — 2:08.04 (WORLD JUNIOR RECORD)
5. Caspar Corbeau (NED) — 2:08.42
6. Ippei Watanabe (JPN) — 2:08.78
7. Anton McKee (ISL) — 2:09.50
8. Josh Matheny (USA) — 2:10.41

WOMEN’S 50 FREESTYLE — SEMIFINAL

• World Record: 23.67 — Sarah Sjostrom, Sweden (2017)
• Championship Record: 23.67 — Sarah Sjostrom, Sweden (2017)
• World Junior Record: 24.17 — Claire Curzan, United States (2021)
• 2022 Winning Time: 23.98 — Sarah Sjostrom, Sweden

Finals Qualifiers:

1. Sarah Sjostrom (SWE) — 23.61 (WORLD RECORD)
2. Shayna Jack (AUS) — 24.01
3. Zhang Yufei (CHN) — 24.20
4. Abbey Weitzeil (USA) — 24.27
5. Cheng Yujie (CHN) — 24.56
6. Michelle Coleman (SWE) — 24.63
7. Emma McKeon (AUS) — 24.67
8. Marie Wattel (FRA)/Marrit Steenbergen (NED) — 24.68 (Swim Off Required)