# Swimming at the 2013 World Aquatics Championships – Women's 4 × 100 metre medley relay

The women's 4 × 100 metre medley relay event in swimming at the 2013 World Aquatics Championships took place on 4 August at the Palau Sant Jordi in Barcelona, Spain.

## Records

Prior to this competition, the existing world and championship records were:
| World record | United States (USA) Missy Franklin (58.50) Rebecca Soni (1:04.82) Dana Vollmer (55.48) Allison Schmitt (53.25) | 3:52.05 | London, Great Britain | 4 August 2012 |
| Competition record | China (CHN) Zhao Jing (58.98) Chen Huijia (1:04.12) Jiao Liuyang (56.28) Li Zhesi (52.81) | 3:52.19 | Rome, Italy | 1 August 2009 |

## Results
### Heats

The heats were held at 11:08.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Elizabeth Pelton (1:00.83) Breeja Larson (1:05.68) Claire Donahue (58.67) Shannon Vreeland (53.48) | United States | 3:58.66 | Q |
| 2 | 1 | 4 | Emily Seebohm (58.79) Samantha Marshall (1:07.71) Alicia Coutts (57.22) Emma McKeon (55.01) | Australia | 3:58.73 | Q |
| 3 | 2 | 3 | Fu Yuanhui (59.57) Sun Ye (1:07.81) Lu Ying (58.17) Tang Yi (53.84) | China | 3:59.39 | Q |
| 4 | 1 | 3 | Lauren Quigley (1:00.32) Sophie Allen (1:07.95) Jemma Lowe (57.85) Amy Smith (53.92) | Great Britain | 4:00.04 | Q |
| 5 | 2 | 5 | Aya Terakawa (59.72) Satomi Suzuki (1:07.40) Natsumi Hoshi (58.60) Haruka Ueda (54.46) | Japan | 4:00.18 | Q |
| 6 | 2 | 2 | Hilary Caldwell (1:00.47) Martha McCabe (1:08.12) Katerine Savard (57.51) Chantal van Landeghem (54.24) | Canada | 4:00.34 | Q |
| 7 | 1 | 5 | Daria Ustinova (1:00.11) Anna Belousova (1:08.32) Svetlana Chimrova (58.27) Veronika Popova (53.99) | Russia | 4:00.69 | Q |
| 8 | 2 | 1 | Lisa Graf (1:00.89) Caroline Ruhnau (1:09.06) Alexandra Wenk (58.31) Britta Steffen (53.04) | Germany | 4:01.30 | Q |
| 9 | 2 | 6 | Michelle Coleman (1:02.30) Joline Höstman (1:07.89) Sarah Sjöström (57.48) Louise Hansson (55.16) | Sweden | 4:02.83 | |
| 10 | 1 | 2 | Duane da Rocha (1:01.03) Marina García (1:07.55) Judit Ignacio Sorribes (59.73) Melanie Costa (55.48) | Spain | 4:03.79 | |
| 11 | 1 | 1 | Jessica Ashley-Cooper (1:01.84) Tara-Lynn Nicholas (1:09.48) Marne Erasmus (1:00.51) Karin Prinsloo (54.63) | South Africa | 4:06.46 | |
| 12 | 1 | 8 | Etiene Medeiros (1:02.06) Beatriz Travalon (1:10.29) Daynara de Paula (59.70) Larissa Oliveira (54.86) | Brazil | 4:06.91 | |
| 13 | 2 | 9 | Fernanda González (1:01.91) Erica Dittmer (1:10.79) Rita Medrano (1:00.34) Liliana Ibáñez (55.78) | Mexico | 4:08.82 | NR |
| 14 | 1 | 0 | Anni Alitalo (1:03.78) Jenna Laukkanen (1:08.49) Tanja Kylliäinen (1:02.42) Hanna-Maria Seppälä (54.41) | Finland | 4:09.10 | |
| 15 | 1 | 7 | Tao Li (1:03.44) Samantha Yeo (1:11.05) Quah Ting Wen (59.70) Amanda Lim (56.50) | Singapore | 4:10.69 | |
| 16 | 1 | 9 | Kim Ji-Hyun (1:04.16) Back Su-Yeon (1:09.19) Park Jin-Young (1:00.49) Hwang Seo-Jin (56.91) | South Korea | 4:10.75 | |
| 17 | 2 | 8 | Hoi Shun Stephanie Au (1:01.95) Man Yi Yvette Kong (1:10.68) Chan Kin Lok (1:03.31) Sze Hang Yu (55.82) | Hong Kong | 4:11.76 | |
| | 1 | 6 | Federica Pellegrini (1:01.31) Lisa Fissneider (1:07.97) Ilaria Bianchi (57.49) Erika Ferraioli | Italy | | DSQ |
| | 2 | 7 | Cloé Credeville (1:00.86) Sophie de Ronchi (1:09.02) Mélanie Henique (1:00.79) Coralie Balmy | France | | DSQ |
| | 2 | 0 | | Czech Republic | | DNS |

### Final

The final was held at 19:48.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Missy Franklin (58.39) Jessica Hardy (1:05.10) Dana Vollmer (56.31) Megan Romano (53.43) | United States | 3:53.23 |
| | 5 | Emily Seebohm (59.40) Sally Foster (1:06.84) Alicia Coutts (56.89) Cate Campbell (52.09) | Australia | 3:55.22 |
| | 1 | Daria Ustinova (1:00.58) Yuliya Yefimova (1:04.82) Svetlana Chimrova (57.64) Veronika Popova (53.43) | Russia | 3:56.47 |
| 4 | 3 | Fu Yuanhui (59.51) Sun Ye (1:07.71) Lu Ying (56.76) Tang Yi (53.32) | China | 3:57.30 |
| 5 | 2 | Aya Terakawa (58.70) AS Satomi Suzuki (1:06.73) Natsumi Hoshi (58.37) Haruka Ueda (54.26) | Japan | 3:58.06 |
| 6 | 6 | Lauren Quigley (1:00.30) Sophie Allen (1:07.82) Jemma Lowe (57.34) Francesca Halsall (53.21) | Great Britain | 3:58.67 |
| 7 | 7 | Hilary Caldwell (1:00.76) Martha McCabe (1:07.66) Katerine Savard (57.42) Chantal van Landeghem (54.35) | Canada | 4:00.19 |
| 8 | 8 | Lisa Graf (1:01.22) Caroline Ruhnau (1:08.32) Alexandra Wenk (58.91) Britta Steffen (53.36) | Germany | 4:01.81 |