| Event: | Women's 400 metre freestyle |
| Competition: | 2016 FINA World Swimming Championships (25 m) |
| Venue: | WFCU Centre |
| Dates: | 9 December (heats and final) |
| Competitors: | 54 |
| Nations: | 43 |
| Win Value: | 3:57.78 |
| Gold: | Leah Smith |
| Goldnoc: | USA |
| Silver: | Veronika Popova |
| Silvernoc: | RUS |
| Bronze: | Chihiro Igarashi |
| Bronzenoc: | JPN |
| Prev: | 2014 |
| Next: | 2018 |
The Women's 400 metre freestyle competition of the 2016 FINA World Swimming Championships (25 m) was held on 9 December 2016.[1]
Prior to the competition, the existing world and championship records were as follows.
| Name | Nation | Time | Location | Date | ||
|---|---|---|---|---|---|---|
| World record | Mireia Belmonte | 3:54.52 | Berlin | 11 August 2013 | ||
| Championship record | Mireia Belmonte | 3:55.76 | Doha | 5 December 2014 |
The heats were held at 10:25.[2]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 5 | 4 | 4:00.47 | Q | |||
| 2 | 6 | 5 | 4:01.11 | Q, NR | |||
| 3 | 5 | 2 | 4:02.23 | Q | |||
| 4 | 6 | 4 | 4:02.38 | Q | |||
| 5 | 6 | 6 | 4:03.54 | Q | |||
| 6 | 6 | 3 | 4:04.07 | Q | |||
| 7 | 6 | 8 | 4:04.49 | Q | |||
| 8 | 6 | 9 | 4:04.89 | Q | |||
| 9 | 5 | 3 | 4:05.27 | ||||
| 10 | 4 | 7 | 4:05.91 | ||||
| 11 | 5 | 6 | 4:06.31 | ||||
| 12 | 6 | 1 | 4:06.47 | ||||
| 13 | 5 | 7 | 4:06.51 | ||||
| 14 | 4 | 2 | 4:06.69 | ||||
| 15 | 5 | 0 | 4:07.03 | ||||
| 16 | 1 | 9 | 4:07.29 | ||||
| 17 | 6 | 7 | 4:09.16 | ||||
| 18 | 6 | 2 | 4:09.38 | ||||
| 19 | 4 | 3 | 4:09.67 | ||||
| 20 | 5 | 1 | 4:10.18 | NR | |||
| 21 | 4 | 0 | 4:10.29 | ||||
| 22 | 5 | 9 | 4:10.38 | ||||
| 23 | 4 | 4 | 4:10.60 | ||||
| 24 | 4 | 5 | 4:10.68 | ||||
| 25 | 4 | 6 | 4:10.95 | ||||
| 26 | 4 | 9 | 4:11.51 | ||||
| 27 | 4 | 8 | 4:12.91 | ||||
| 28 | 6 | 0 | 4:13.11 | ||||
| 29 | 3 | 0 | 4:13.55 | NR | |||
| 30 | 3 | 3 | 4:15.28 | ||||
| 31 | 3 | 7 | 4:15.72 | ||||
| 32 | 3 | 5 | 4:16.69 | NR | |||
| 33 | 3 | 8 | 4:17.03 | ||||
| 34 | 3 | 4 | 4:18.20 | NR | |||
| 35 | 4 | 1 | 4:18.76 | ||||
| 36 | 1 | 5 | 4:20.24 | ||||
| 37 | 3 | 2 | 4:20.25 | ||||
| 38 | 3 | 6 | 4:21.92 | ||||
| 39 | 1 | 8 | 4:22.49 | ||||
| 40 | 2 | 4 | 4:22.70 | NR | |||
| 41 | 2 | 6 | 4:24.54 | NR | |||
| 42 | 3 | 9 | 4:25.18 | ||||
| 43 | 3 | 1 | 4:25.85 | ||||
| 44 | 2 | 3 | 4:26.98 | ||||
| 45 | 2 | 5 | 4:30.09 | ||||
| 46 | 2 | 7 | 4:32.47 | ||||
| 47 | 2 | 1 | 4:32.51 | NR | |||
| 48 | 2 | 9 | 4:32.72 | NR | |||
| 49 | 1 | 3 | 4:37.87 | NR | |||
| 50 | 2 | 8 | 4:40.69 | ||||
| 51 | 2 | 0 | 4:42.12 | ||||
| 52 | 1 | 2 | 4:54.63 | ||||
| 53 | 1 | 6 | 4:56.27 | ||||
| 54 | 1 | 1 | 4:59.21 | NR | |||
| 1 | 0 | ||||||
| 1 | 4 | Dara Al-Bakry | |||||
| 1 | 7 | ||||||
| 2 | 2 | ||||||
| 5 | 5 | ||||||
| 5 | 8 |
The final was held at 19:16.[3]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 4 | 3:57.78 | |||||
| 5 | 3:58.90 | NR | ||||
| 3 | 3:59.41 | NR | ||||
| 4 | 6 | 3:59.89 | ||||
| 5 | 1 | 4:02.61 | ||||
| 6 | 2 | 4:02.70 | ||||
| 7 | 7 | 4:03.69 | ||||
| 8 | 8 | 4:05.95 |