2014 FINA World Swimming Championships (25 m) – 4 × 50 metre mixed medley relay
The 4 × 50 metre mixed medley relay competition of the 2014 FINA World Swimming Championships was held on 4 December.
Records
Prior to the competition, the existing world and championship records were as follows.| Nation | Time | Location | Date | |
| World record | 1:37.17 | Glasgow | 21 December 2013 |
Results
Heats
The heats were held at 12:06.| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 3 | 4 | Chris Walker-Hebborn Adam Peaty Siobhan-Marie O'Connor Fran Halsall | 1:38.16 | Q | |
| 2 | 3 | 5 | Eugene Godsoe Brad Craig Felicia Lee Natalie Coughlin | 1:38.78 | Q | |
| 3 | 2 | 3 | Simone Sabbioni Fabio Scozzoli Silvia Di Pietro Erika Ferraioli | 1:38.91 | Q | |
| 4 | 1 | 1 | Sergey Fesikov Sergei Geibel Svetlana Chimrova Rozaliya Nasretdinova | 1:39.37 | Q | |
| 5 | 3 | 1 | Etiene Medeiros João Luiz Gomes Júnior Henrique Martins Daiane Oliveira | 1:39.60 | Q | |
| 6 | 2 | 1 | Christian Diener Dorothea Brandt Steffen Deibler Daniela Schreiber | 1:40.08 | Q | |
| 7 | 1 | 5 | Sun Xiaolei Suo Ran Lu Ying Ning Zetao | 1:40.26 | Q | |
| 8 | 2 | 2 | Daryna Zevina Mariya Liver Andriy Hovorov Bogdan Plavin | 1:40.35 | Q | |
| 9 | 2 | 5 | Simona Baumrtová Petr Bartůněk Jan Šefl Anna Kolárová | 1:40.77 | ||
| 10 | 1 | 4 | Yuki Shirai Satomi Suzuki Takuro Fujii Yayoi Matsumoto | 1:41.78 | ||
| 11 | 1 | 3 | Lavrans Solli Sverre Naess Elise Olsen Cecilie Johannessen | 1:42.07 | ||
| 12 | 3 | 6 | Ricky Ellis Giulio Zorzi Trudi Maree Lehesta Kemp | 1:42.53 | ||
| 13 | 3 | 2 | Gábor Balog David Horváth Liliána Szilágyi Fanni Gyurinovics | 1:44.20 | ||
| 14 | 1 | 2 | Stephanie Au Wong Chun Yan Chan Kin Lok Mak Ho Lun Raymond | 1:44.61 | ||
| 15 | 3 | 0 | Ekaterina Avramova Alpkan Örnek Sezin Eligül Hüseyin Sakçı | 1:46.00 | ||
| 16 | 2 | 0 | Eygló Ósk Gústafsdóttir Hrafnhildur Lúthersdóttir Daníel Hannes Pálsson Davíð Hildiberg Aðalsteinsson | 1:46.56 | ||
| 17 | 1 | 6 | Ryad Djendouci Amira Raja Kouza Jugurtha Boumali Souad Nafissa Cherouati | 1:47.56 | ||
| 18 | 2 | 7 | Araya Wongvat Sittivech Kongsomrerk Jenjira Srisa Ard Gavin Alexander Lewis | 1:47.63 | ||
| 19 | 2 | 4 | Roxanne Ashley Yu Dhill Anderson Lee Evangelio Dato Jeremy Bryan Lim | 1:50.67 | ||
| 20 | 1 | 8 | Ryan Pini Savannah Tkatchenko Stanford Kawale Anna-Liza Mopio-Jane | 1:50.71 | ||
| 21 | 3 | 3 | Alexus Laird Pierre-Andre Adam Felicity Passon Dean Hoffman | 1:51.50 | ||
| 22 | 3 | 7 | Daniel Carranza Andrés Olvera Montserrat Ortuño Ayumi Macías | 1:51.61 | ||
| 23 | 1 | 7 | Yum Cheng Man Lei On Kei Chao Man Hou Tan Chi Yan | 1:51.88 | ||
| 24 | 2 | 6 | Kimiko Raheem Kiran Jasinghe Cherantha de Silva Machiko Raheem | 1:52.58 | ||
| 25 | 2 | 8 | Hamdan Bayusuf Micah Fernandes Emily Muteti Talisa Lanoe | 1:53.23 | ||
| 26 | 1 | 0 | Aleksander Ngresi Deni Baholli Diana Basho Nikol Merizaj | 2:05.56 | ||
| — | 3 | 8 | Anni Alitalo Jenna Laukkanen Riku Pöytäkivi Ari-Pekka Liukkonen | DSQ |
Final
The final were held at 20:18.| Rank | Lane | Nation | Swimmers | Time | Notes |
| 2 | Etiene Medeiros Felipe França Silva Nicholas Santos Larissa Oliveira | 1:37.26 | SA | ||
| 4 | Chris Walker-Hebborn Adam Peaty Siobhan-Marie O'Connor Fran Halsall | 1:37.46 | ER | ||
| 3 | Niccolo Bonacchi Fabio Scozzoli Silvia Di Pietro Erika Ferraioli | 1:37.90 | |||
| 4 | 5 | Matt Grevers Cody Miller Felicia Lee Abbey Weitzeil | 1:38.16 | ||
| 5 | 6 | Sergey Fesikov Sergei Geibel Anastasiia Liazeva Rozaliya Nasretdinova | 1:38.93 | ||
| 6 | 1 | Sun Xiaolei Suo Ran Lu Ying Ning Zetao | 1:39.17 | ||
| 7 | 7 | Christian Diener Dorothea Brandt Steffen Deibler Daniela Schreiber | 1:39.47 | ||
| 8 | 8 | Daryna Zevina Andriy Kovalenko Andriy Hovorov Hanna Dzerkal | 1:39.48 |