# 2024 World Aquatics Swimming Championships (25 m) – Mixed 4 × 50 metre freestyle relay

The Mixed 4 × 50 metre freestyle relay competition of the 2024 World Aquatics Swimming Championships (25 m) was held on 13 December 2024.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | France (FRA) | 1:27.33 | Melbourne, Australia | 16 December 2022 |
| Competition record | France (FRA) | 1:27.33 | Melbourne, Australia | 16 December 2022 |

## Results
### Heats

The heats were started at 9:02.
| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 5 | 4 | Italy | Leonardo Deplano (21.08) Lorenzo Zazzeri (21.25) Silvia Di Pietro (23.71) Sara Curtis (23.42) | 1:29.46 | Q |
| 2 | 5 | 3 | Neutral Athletes B | Dmitrii Zhavoronkov (21.63) Pavel Samusenko (20.56) Alina Gaifutdinova (24.09) Daria Trofimova (23.66) | 1:29.94 | Q |
| 3 | 3 | 6 | Poland | Piotr Ludwiczak (21.34) Kamil Sieradzki (21.27) Kornelia Fiedkiewicz (24.07) Katarzyna Wasick (23.46) | 1:30.14 | Q |
| 4 | 2 | 8 | Canada | Finlay Knox (21.69) Yuri Kisil (20.65) Penny Oleksiak (24.1) Mary-Sophie Harvey (23.79) | 1:30.23 | Q |
| 5 | 4 | 4 | Netherlands | Nyls Korstanje (21.21) Thomas Verhoeven (21.69) Maaike De Waard (23.76) Milou Van Wijk (23.87) | 1:30.53 | Q |
| 6 | 4 | 3 | Norway | Bjoernar Laskerud (21.28) Nicholas Lia (21.17) Mari Moen (24.02) Hedda Oritsland (24.42) | 1:30.89 | Q |
| 7 | 4 | 8 | Hong Kong | Ian Yentou Ho (21.13) Ralph Yat Ho Koo (21.73) Siobhán Haughey (23.87) Li Sum Yiu (24.21) | 1:30.94 | Q |
| 8 | 5 | 5 | Slovakia | Matej Duša (21.55) Tibor Tistan (21.18) Teresa Ivan (24.19) Lillian Slusna (24.08) | 1:31.00 | Q, NR |
| 9 | 3 | 3 | United States | Michael Andrew (21.27) Matt King (21.23) Claire Weinstein (24.49) Alex Shackell (24.09) | 1:31.08 | R |
| 10 | 2 | 4 | Japan | Masahiro Kawane (21.5) Kaiya Seki (21.12) Yume Jinno (24.1) Mizuki Hirai (24.37) | 1:31.09 | R |
| 11 | 4 | 7 | Germany | Artem Selin (21.76) Martin Wrede (21.49) Nina Jazy (23.97) Nele Schulze (24.04) | 1:31.26 | |
| 12 | 1 | 4 | Spain | Sergio de Celis Montalban (21.63) Nacho Campos Beas (21.34) Carmen Weiler Sastre (24.41) Maria Daza Garcia (24.26) | 1:31.64 | NR |
| 13 | 4 | 5 | Sweden | Robin Hanson (21.61) Elias Persson (21.53) Klara Thormalm (24.47) Sofia Aastedt (24.44) | 1:32.05 | |
| 14 | 3 | 4 | Hungary | Benedek Andor (22.36) Boldizsar Magda (21.26) Kiara Pozvai (24.29) Petra Senánszky (24.22) | 1:32.13 | |
| 15 | 3 | 8 | South Korea | Kim Jihun (21.66) Ji Yuchan (20.9) Jeong Soeun (25.09) Hur Yeonkyung (24.52) | 1:32.17 | NR |
| 16 | 5 | 8 | New Zealand | Jack Hendy (22.04) Hugo Wrathall (22.09) Zoe Pedersen (24.34) Emma Godwin (24.27) | 1:32.74 | |
| 17 | 2 | 7 | South Africa | Chris Smith (21.8) Kris Mihaylov (22.44) Caitlin De Lange (24.42) Jessica Thompson (24.61) | 1:33.27 | |
| 18 | 1 | 6 | China | Zhao Jiayue (22.13) Jiang Chenglin (22.3) Liu Shuhan (24.2) Xie Ziqi (24.66) | 1:33.29 | |
| 19 | 5 | 1 | Iceland | Simon Statkevicius (22.04) Gudmundur Leo Rafnsson (22.61) Johanna Elin Gudmundsdottir (25.16) Snaefridur Sol Jorunnardottir (24.31) | 1:34.12 | NR |
| 20 | 1 | 5 | Peru | Anthony Puertas (22.62) Rafael Ponce (22.06) Alexia Sotomayor (25.8) Rafaela Fernandini (25.48) | 1:35.96 | |
| 21 | 1 | 3 | Uganda | Tendo Kaumi (23.75) Tendo Mukalazi (22.76) Gloria Anna Muzito (24.74) Kirabo Namutebi (24.75) | 1:36.00 | NR |
| 22 | 2 | 5 | Thailand | Pongpanod Trithan (22.99) Surasit Thongdeang (22.88) Jinjutha Pholjamjumrus (26.74) Jenjira Srisa-Ard (24.31) | 1:36.92 | |
| 23 | 5 | 2 | Kenya | Haniel Kudwoli (23.7) Sara Mose (25.16) Imara Bella Patricia Thorpe (25.53) Stephen Nyoike (23.14) | 1:37.53 | NR |
| 24 | 2 | 3 | Dominican Republic | Josué Domínguez (23.01) Elizabeth Jimenez (26.08) Darielys Ortiz (26.77) Javier Núñez (21.99) | 1:37.85 | |
| 25 | 2 | 6 | Jamaica | Sidrell Williams (23.86) Nathaniel Thomas (22.22) Jessica Calderbank (26.77) Leanna Wainwright (26.66) | 1:39.51 | |
| 26 | 2 | 1 | Namibia | Oliver Durand (23.01) Molina Smalley (27.48) Jessica Humphrey (26.98) Ronan Wantenaar (22.21) | 1:39.68 | NR |
| 27 | 5 | 6 | Samoa | Kokoro Frost (23.39) Hector Langkilde (22.36) Kaiya Brown (27.73) Paige Schendelaar-Kemp (26.28) | 1:39.76 | |
| 28 | 4 | 1 | Albania | Grisi Koxhaku (22.41) Kaltra Meca (28.26) Stella Gjoka (27.85) Reidi Resuli (22.73) | 1:41.25 | |
| 29 | 1 | 2 | North Korea | Kim Ryong Hyon (24.47) Kim Sol Song (25.88) Pak Mi Song (25.62) Kim Won Ju (25.56) | 1:41.53 | |
| 30 | 5 | 7 | Madagascar | Baritiana Andriampenomanana (26.23) Jonathan Raharvel (24.66) Idealy Tendrinavalona (27.39) Antsa Rabejaona (26.06) | 1:44.34 | NR |
| | 4 | 2 | Australia | | Did not start | Did not start |
| | 2 | 2 | Maldives | Mohamed Aan Hussain (23.45) Hamna Ahmed (30.10) Meral Ayn Latheef (28.77) Mohamed Rihan Shiham | Disqualified | Disqualified |
| | 4 | 6 | Kazakhstan | Gleb Kovaleyna (21.76) Adilbek Mussin (21.39) Sofia Spodarenko Xeniya Ignatova | Disqualified | Disqualified |

### Final

The final was held at 17:32.
| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 4 | Italy | Leonardo Deplano (20.8) Alessandro Miressi (21.01) Silvia Di Pietro (23.35) Sara Curtis (23.34) | 1:28.50 | |
| | 6 | Canada | Ilya Kharun (20.8) Yuri Kisil (20.57) Ingrid Wilm (23.72) Mary-Sophie Harvey (23.51) | 1:28.60 | |
| | 3 | Poland | Piotr Ludwiczak (21.31) Kamil Sieradzki (20.89) Kornelia Fiedkiewicz (23.7) Katarzyna Wasick (22.9) | 1:28.80 | NR |
| 4 | 5 | Neutral Athletes B | Egor Kornev (20.88) Roman Shevliakov (21.22) Arina Surkova (23.04) Daria Trofimova (23.81) | 1:28.95 | |
| 5 | 2 | Netherlands | Nyls Korstanje (21.1) Thomas Verhoeven (21.37) Maaike De Waard (23.77) Milou Van Wijk (23.62) | 1:29.86 | |
| 6 | 8 | Slovakia | Matej Duša (21.24) Tibor Tistan (21.18) Teresa Ivan (23.91) Lillian Slusna (24.03) | 1:30.36 | NR |
| 7 | 1 | Hong Kong | Ian Yentou Ho (21.08) Ralph Yat Ho Koo (21.8) Siobhán Haughey (23.52) Li Sum Yiu (24) | 1:30.40 | NR |
| 8 | 7 | Norway | Bjoernar Laskerud (21.27) Nicholas Lia (21.02) Mari Moen (24.21) Hedda Oritsland (24.47) | 1:30.97 | |