| Event: | Women's 400 metre individual medley |
| Competition: | 2014 FINA World Swimming Championships (25 m) |
| Dates: | 3 December |
| Competitors: | 28 |
| Nations: | 22 |
| Win Value: | 4:19.86 |
| Gold: | Mireia Belmonte |
| Goldnoc: | ESP |
| Silver: | Katinka Hosszú |
| Silvernoc: | HUN |
| Bronze: | Hannah Miley |
| Bronzenoc: | GBR |
| Prev: | 2012 |
| Next: | 2016 |
The women's 400 metre individual medley competition of the 2014 FINA World Swimming Championships (25 m) was held on 3 December.[1]
Prior to the competition, the existing world and championship records were as follows.
| Name | Nation | Time | Location | Date | ||
|---|---|---|---|---|---|---|
| World record | Katinka Hosszú | 4:20.83 | Doha | 28 August 2014 | ||
| Championship record | Hannah Miley | 4:23.14 | Istanbul | 12 December 2012 |
The following records were established during the competition:
| Date | Event | Name | Nation | Time | Record | |
|---|---|---|---|---|---|---|
| 3 December | Heats | 4:21.05 | CR | |||
| 3 December | Final | 4:19.86 | WR, CR |
The heats were held at 12:16.[2]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 3 | 4 | 4:21.05 | Q, CR | |||
| 2 | 2 | 4 | 4:26.16 | Q | |||
| 3 | 2 | 3 | 4:27.45 | Q | |||
| 4 | 3 | 5 | 4:28.43 | Q | |||
| 5 | 2 | 5 | 4:28.75 | Q | |||
| 6 | 3 | 0 | 4:29.95 | Q | |||
| 7 | 3 | 3 | 4:30.20 | Q | |||
| 8 | 3 | 6 | 4:31.20 | Q | |||
| 9 | 2 | 7 | 4:31.95 | ||||
| 10 | 3 | 1 | 4:32.54 | ||||
| 11 | 3 | 2 | 4:33.21 | ||||
| 12 | 2 | 2 | 4:33.52 | ||||
| 13 | 1 | 2 | 4:34.49 | ||||
| 14 | 3 | 9 | 4:35.91 | ||||
| 15 | 3 | 7 | 4:36.91 | ||||
| 16 | 1 | 3 | 4:37.23 | ||||
| 17 | 2 | 8 | 4:37.42 | ||||
| 18 | 2 | 0 | 4:38.58 | ||||
| 19 | 2 | 6 | 4:40.67 | ||||
| 20 | 1 | 5 | 4:41.39 | ||||
| 21 | 2 | 1 | 4:41.81 | ||||
| 22 | 1 | 4 | 4:48.71 | ||||
| 23 | 2 | 9 | 4:50.96 | ||||
| 24 | 1 | 1 | 4:54.74 | ||||
| 25 | 1 | 6 | 4:55.72 | ||||
| 26 | 1 | 7 | 4:57.68 | ||||
| 27 | 1 | 8 | 5:03.98 | ||||
| 28 | 1 | 0 | 5:43.88 | ||||
| — | 3 | 8 | DNS |
The final was held at 19:08.[3]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 5 | 4:19.86 | WR, CR | ||||
| 4 | 4:22.94 | |||||
| 3 | 4:24.74 | |||||
| 4 | 2 | 4:25.56 | ||||
| 5 | 1 | 4:27.61 | ||||
| 6 | 6 | 4:28.74 | ||||
| 7 | 7 | 4:30.95 | ||||
| 8 | 8 | 4:32.92 |