# Swimming at the 2019 World Aquatics Championships – 4 × 100 metre mixed medley relay

The 4 × 100 metre mixed medley relay competition at the 2019 World Championships was on 24 July 2019.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | United States | 3:38.56 | Budapest, Hungary | 26 July 2017 |
| Competition record | United States | 3:38.56 | Budapest, Hungary | 26 July 2017 |

## Results
### Heats

The heats were held on 24 July at 11:29.
| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 5 | 3 | United States | Matt Grevers (52.75) Andrew Wilson (58.35) Kelsi Dahlia (57.35) Mallory Comerford (52.78) | 3:41.23 | Q |
| 2 | 5 | 4 | Australia | Minna Atherton (59.65) Matthew Wilson (58.84) Matthew Temple (51.41) Bronte Campbell (52.32) | 3:42.22 | Q |
| 3 | 4 | 3 | Russia | Daria Vaskina (59.92) Kirill Prigoda (58.62) Andrey Minakov (50.93) Maria Kameneva (53.83) | 3:43.30 | Q |
| 4 | 4 | 4 | Great Britain | Georgia Davies (1:00.51) James Wilby (58.16) James Guy (50.97) Freya Anderson (53.73) | 3:43.37 | Q |
| 5 | 4 | 2 | Canada | Kylie Masse (58.96) Richard Funk (59.80) Margaret MacNeil (57.33) Yuri Kisil (47.94) | 3:44.03 | Q |
| 6 | 5 | 6 | Italy | Margherita Panziera (1:00.19) Nicolò Martinenghi (59.50) Elena Di Liddo (56.83) Manuel Frigo (47.86) | 3:44.38 | Q, NR |
| 7 | 4 | 6 | Netherlands | Kira Toussaint (59.85) Arno Kamminga (59.51) Mathys Goosen (52.69) Femke Heemskerk (52.62) | 3:44.67 | Q |
| 8 | 5 | 2 | Germany | Laura Riedemann (59.95) Fabian Schwingenschlögl (59.62) Marius Kusch (51.86) Jessica Steiger (53.77) | 3:45.20 | Q |
| 9 | 5 | 1 | Belarus | Mikita Tsmyh (54.30) Ilya Shymanovich (58.20) Anastasiya Shkurdai (57.62) Aksana Dziamidava (55.76) | 3:45.88 | NR |
| 10 | 4 | 8 | Israel | Anastasia Gorbenko (1:00.79) Itay Goldfaden (1:01.13) Tomer Frankel (52.26) Andrea Murez (53.88) | 3:48.06 | NR |
| 11 | 5 | 7 | Poland | Alicja Tchórz (1:00.61) Jan Kałusowski (1:01.52) Konrad Czerniak (52.17) Katarzyna Wilk (53.91) | 3:48.21 | |
| 12 | 4 | 0 | Hungary | Richárd Bohus (54.33) Anna Sztankovics (1:08.92) Szebasztián Szabó (50.98) Katinka Hosszú (54.21) | 3:48.44 | NR |
| 13 | 4 | 7 | Switzerland | Roman Mityukov (54.07) Yannick Käser (1:00.30) Maria Ugolkova (58.85) Noémi Girardet (55.76) | 3:48.98 | |
| 14 | 1 | 4 | Denmark | Mie Nielsen (1:01.13) Tobias Bjerg (59.56) Viktor Bromer (53.23) Signe Bro (55.18) | 3:49.10 | NR |
| 15 | 4 | 9 | South Africa | Christopher Reid (54.73) Tatjana Schoenmaker (1:06.96) Ryan Coetzee (53.59) Erin Gallagher (54.62) | 3:49.90 | AF |
| 16 | 3 | 4 | Turkey | Ekaterina Avramova (1:02.53) Berkay Öğretir (1:00.39) Umitcan Gures (52.47) Selen Özbilen (55.10) | 3:50.49 | NR |
| 17 | 4 | 1 | South Korea | Lee Ju-ho (54.61) Moon Jae-kwon (1:00.97) Park Ye-rin (59.73) Jeong So-eun (55.58) | 3:50.89 | |
| 18 | 5 | 0 | Lithuania | Ugnė Mažutaitytė (1:02.73) Kotryna Teterevkova (1:08.73) Deividas Margevičius (52.22) Tadas Duškinas (49.70) | 3:53.38 | |
| 19 | 3 | 3 | Ireland | Conor Ferguson (54.61) Niamh Coyne (1:08.41) Ellen Walshe (1:00.89) Robert Powell (49.78) | 3:53.69 | |
| 20 | 3 | 6 | Singapore | Quah Zheng Wen (54.58) Christie Chue (1:09.96) Jonathan Tan (54.49) Cherlyn Yeoh (54.87) | 3:53.90 | |
| 21 | 5 | 9 | Estonia | Karl Johann Luht (55.86) Maria Romanjuk (1:09.50) Kregor Zirk (52.76) Aleksa Gold (56.05) | 3:54.17 | NR |
| 22 | 3 | 7 | Moldova | Tatiana Salcuțan (1:01.76) Tatiana Chișca (1:10.15) Alexei Sancov (52.74) Constantin Malachi (50.50) | 3:55.15 | NR |
| 23 | 5 | 8 | Hong Kong | Wong Toto Kwan To (1:02.49) Michael Ng (1:03.84) Nicholas Lim (54.31) Tam Hoi Lam (56.43) | 3:57.07 | |
| 24 | 3 | 5 | Chinese Taipei | Chuang Mu-lun (56.18) Lin Pei-wun (1:11.96) Chu Chen-ping (53.61) Huang Mei-chien (57.38) | 3:59.13 | |
| 25 | 1 | 3 | Jordan | Leedia Al-Safadi (1:10.10) Amro Al-Wir (1:02.74) Khader Baqlah (55.45) Talita Baqlah (1:00.25) | 4:08.54 | |
| 26 | 3 | 0 | Kenya | Issa Abdulla Hemed Mohamed (1:02.91) Maria Brunlehner (1:16.42) Emily Muteti (1:04.13) Danilo Rosafio (53.37) | 4:16.83 | |
| 27 | 3 | 8 | Angola | Salvador Gordo (1:02.96) Daniel Francisco (1:09.76) Lia Lima (1:05.35) Catarina Sousa (59.31) | 4:17.38 | |
| 28 | 2 | 6 | Madagascar | Idealy Tendrinavalona (1:07.85) Jonathan Raharvel (1:08.03) Heriniavo Rasolonjatovo (1:01.81) Tiana Rabarijaona (1:00.65) | 4:18.34 | |
| 29 | 2 | 4 | Papua New Guinea | Samuel Seghers (1:02.38) Ryan Maskelyne (1:04.22) Georgia-Leigh Vele (1:09.50) Judith Meauri (1:02.89) | 4:18.99 | |
| 30 | 2 | 0 | Armenia | Ani Poghosyan (1:13.23) Varsenik Manucharyan (1:17.48) Artur Barseghyan (56.35) Vahan Mkhitaryan (52.74) | 4:19.80 | NR |
| 31 | 2 | 2 | Ghana | Jason Arthur (56.52) Kaya Forson (1:24.22) Abeiku Jackson (55.69) Zaira Forson (1:04.97) | 4:21.40 | |
| 32 | 2 | 8 | Micronesia | Kaleo Kihleng (1:06.84) Tasi Limtiaco (1:04.70) Margie Winter (1:10.68) Taeyanna Adams (1:07.94) | 4:30.16 | |
| 33 | 2 | 9 | Nigeria | Ifeakachuku Nmor (1:12.25) Chinelo Iyadi (1:21.39) Abiola Ogunbanwo (58.26) Yellow Yeiyah (1:03.69) | 4:35.59 | |
| 34 | 2 | 7 | Tonga | Finau Ohuafi (1:04.93) Amini Fonua (1:08.23) Charissa Panuve (1:19.82) Noelani Day (1:06.93) | 4:39.91 | NR |
| 35 | 1 | 5 | Northern Mariana Islands | Juhn Tenorio (1:04.40) Lennosuke Suzuki (1:22.52) Aika Watanabe (1:18.18) Jin Ju Thompson (1:11.10) | 4:56.20 | |
| 36 | 2 | 3 | Maldives | Aishath Sausan (1:18.66) Sajina Aishath (1:28.34) Mubal Azzam Ibrahim (1:10.44) Imaan Ali (59.35) | 4:56.79 | NR |
| | 3 | 2 | Mexico | Miriam Guevara (1:05.50) Miguel Chavez María Jiménez Horus Briseño | DSQ | DSQ |
| | 3 | 9 | Senegal | Sophia Diagne (1:09.71) Abdoul Niane Steven Aimable Jeanne Boutbien | DSQ | DSQ |
| | 4 | 5 | Japan | Natsumi Sakai (1:00.08) Yasuhiro Koseki (59.50) Naoki Mizunuma (51.85) Rika Omoto | DSQ | DSQ |
| | 5 | 5 | China | Li Guangyuan (53.78) Wang Lizhuo Wang Yichun Zhu Menghui | DSQ | DSQ |
| | 1 | 2 | Philippines | | DNS | DNS |
| | 1 | 6 | Panama | | DNS | DNS |
| | 2 | 1 | Malaysia | | DNS | DNS |
| | 2 | 5 | Uganda | | DNS | DNS |
| | 3 | 1 | Iceland | | DNS | DNS |

### Final

The final was held on 24 July at 21:50.
| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 5 | Australia | Mitch Larkin (53.47) Matthew Wilson (58.37) Emma McKeon (56.14) Cate Campbell (51.10) | 3:39.08 | |
| | 4 | United States | Ryan Murphy (52.46) Lilly King (1:04.94) Caeleb Dressel (49.33) Simone Manuel (52.37) | 3:39.10 | |
| | 6 | Great Britain | Georgia Davies (59.25) Adam Peaty (57.73) James Guy (50.72) Freya Anderson (52.98) | 3:40.68 | |
| 4 | 3 | Russia | Evgeny Rylov (51.97) Kirill Prigoda (58.22) Svetlana Chimrova (57.79) Maria Kameneva (52.80) | 3:40.78 | NR |
| 5 | 2 | Canada | Kylie Masse (58.97) Richard Funk (59.51) Margaret MacNeil (56.74) Yuri Kisil (47.84) | 3:43.06 | |
| 6 | 7 | Italy | Simone Sabbioni (53.50) Fabio Scozzoli (59.70) Elena Di Liddo (57.31) Federica Pellegrini (52.76) | 3:43.27 | NR |
| 7 | 8 | Germany | Laura Riedemann (1:00.01) Fabian Schwingenschlögl (59.12) Marius Kusch (51.37) Jessica Steiger (54.57) | 3:45.07 | |
| | 1 | Netherlands | Kira Toussaint Arno Kamminga Mathys Goosen Femke Heemskerk | DSQ | |