Swimming at the 2013 World Aquatics Championships – Women's 400 metre individual medley
# Swimming at the 2013 World Aquatics Championships – Women's 400 metre individual medley

The women's 400 metre individual medley 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 | Ye Shiwen (CHN) | 4:28.43 | London, Great Britain | 28 July 2012 |
| - | - | - | - | - |
| Competition record | Katinka Hosszú (HUN) | 4:30.31 | Rome, Italy | 2 August 2009 |

## Results

### Heats

The heats were held at 10:24.

| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - | - |
| 1 | 2 | 4 | Katinka Hosszú | Hungary | 4:32.72 | Q |
| 2 | 2 | 5 | Mireia Belmonte | Spain | 4:34.64 | Q |
| 3 | 4 | 4 | Ye Shiwen | China | 4:34.93 | Q |
| 3 | 4 | 3 | Zsuzsanna Jakabos | Hungary | 4:34.93 | Q |
| 5 | 4 | 5 | Hannah Miley | Great Britain | 4:34.94 | Q |
| 6 | 3 | 4 | Elizabeth Beisel | United States | 4:35.17 | Q |
| 7 | 3 | 5 | Madeline Dirado | United States | 4:37.39 | Q |
| 8 | 3 | 3 | Miyu Otsuka | Japan | 4:37.77 | Q |
| 9 | 2 | 3 | Aimee Willmott | Great Britain | 4:38.43 | |
| 10 | 3 | 7 | Chen Xinyi | China | 4:39.54 | |
| 11 | 3 | 2 | Alexa Komarnycky | Canada | 4:39.94 | |
| 12 | 4 | 7 | Barbora Závadová | Czech Republic | 4:41.88 | |
| 13 | 4 | 6 | Stefania Pirozzi | Italy | 4:42.33 | |
| 14 | 3 | 6 | Beatriz Gómez Cortés | Spain | 4:42.78 | |
| 15 | 4 | 2 | Yana Martynova | Russia | 4:44.03 | |
| 16 | 2 | 2 | Stina Gardell | Sweden | 4:44.50 | |
| 17 | 4 | 1 | Joanna Melo | Brazil | 4:44.55 | |
| 18 | 2 | 6 | Miho Takahashi | Japan | 4:45.70 | |
| 19 | 2 | 7 | Erika Seltenreich-Hodgson | Canada | 4:46.11 | |
| 20 | 4 | 0 | Susana Escobar | Mexico | 4:47.18 | NR |
| 21 | 2 | 8 | Nguyen Thi Anh Vien | Vietnam | 4:47.60 | |
| 22 | 3 | 0 | Rene Warnes | South Africa | 4:48.11 | |
| 23 | 4 | 9 | Samantha Lucie-Smith | New Zealand | 4:49.73 | |
| 24 | 4 | 8 | Samantha Arevalo | Ecuador | 4:50.03 | |
| 25 | 3 | 8 | Victoria Kaminskaya | Portugal | 4:52.12 | |
| 26 | 2 | 1 | Hanna Dzerkal | Ukraine | 4:53.34 | |
| 27 | 1 | 5 | Zara Bailey | Jamaica | 4:54.14 | |
| 28 | 1 | 4 | Siow Yi Ting | Malaysia | 4:54.84 | |
| 29 | 2 | 0 | Tanja Kylliainen | Finland | 4:55.54 | |
| 30 | 1 | 3 | Maria Far Núñez | Panama | 5:14.48 | |
| | 3 | 1 | Ranohon Amanova | Uzbekistan | | DNS |

### Final

The final was held at 19:14.

| Rank | Lane | Name | Nationality | Time |
| - | - | - | - | - |
| | 4 | Katinka Hosszú | Hungary | 4:30.41 |
| | 5 | Mireia Belmonte | Spain | 4:31.21 |
| | 7 | Elizabeth Beisel | United States | 4:31.69 |
| 4 | 1 | Madeline Dirado | United States | 4:32.70 |
| 5 | 2 | Hannah Miley | Great Britain | 4:34.16 |
| 6 | 6 | Zsuzsanna Jakabos | Hungary | 4:34.50 |
| 7 | 3 | Ye Shiwen | China | 4:38.51 |
| 8 | 8 | Miyu Otsuka | Japan | 4:39.21 |
