2016 FINA World Swimming Championships (25 m) – Men's 400 metre freestyle
The Men's 400 metre freestyle competition of the 2016 FINA World Swimming Championships was held on 6 December 2016.
Records
Prior to the competition, the existing world and championship records were as follows.| Name | Nation | Time | Location | Date | |
| World record | Yannick Agnel | 3:32.25 | Angers | 15 November 2012 | |
| Championship record | Péter Bernek | 3:34.32 | Doha | 5 December 2014 |
Results
Heats
The heats were held at 09:30.| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | 5 | Alexander Krasnykh | 3:38.40 | Q | |
| 2 | 7 | 9 | Park Tae-Hwan | 3:38.47 | Q | |
| 3 | 7 | 3 | Zane Grothe | 3:38.70 | Q | |
| 4 | 8 | 4 | Péter Bernek | 3:39.08 | Q | |
| 5 | 7 | 6 | Jordan Pothain | 3:39.31 | Q | |
| 6 | 8 | 3 | Wojciech Wojdak | 3:40.49 | Q | |
| 7 | 7 | 2 | Maarten Brzoskowski | 3:40.80 | Q | |
| 8 | 8 | 2 | Stephen Milne | 3:40.87 | Q | |
| 9 | 8 | 5 | Henrik Christiansen | 3:41.18 | ||
| 10 | 8 | 6 | Myles Brown | 3:41.49 | ||
| 11 | 8 | 1 | Daniel Smith | 3:42.02 | ||
| 12 | 7 | 4 | Gabriele Detti | 3:42.58 | ||
| 13 | 6 | 9 | Max Litchfield | 3:42.98 | ||
| 14 | 7 | 0 | Katsuhiro Matsumoto | 3:43.32 | ||
| 15 | 6 | 5 | Felix Auböck | 3:43.42 | ||
| 16 | 8 | 7 | Poul Zellmann | 3:44.09 | ||
| 17 | 6 | 2 | Ziao Qiu | 3:44.43 | ||
| 17 | 6 | 3 | Reed Malone | 3:44.43 | ||
| 19 | 7 | 8 | Victor Johansson | 3:44.63 | ||
| 20 | 6 | 7 | Lucas Kanieski | 3:45.38 | ||
| 21 | 5 | 6 | Jeremy Bagshaw | 3:45.54 | ||
| 22 | 6 | 8 | Frans Johannessen | 3:45.56 | ||
| 23 | 7 | 7 | Adam Paulsson | 3:45.99 | ||
| 24 | 6 | 0 | Richárd Nagy | 3:46.28 | ||
| 25 | 6 | 1 | Richard Marton | 3:46.52 | ||
| 26 | 8 | 9 | Martin Bau | 3:46.77 | ||
| 27 | 6 | 4 | Lander Hendrickx | 3:46.91 | ||
| 28 | 4 | 1 | Peter Brothers | 3:46.99 | ||
| 28 | 5 | 2 | Jordan Sloan | 3:46.99 | ||
| 30 | 8 | 8 | Yuki Kobori | 3:47.25 | ||
| 31 | 5 | 4 | Brent Szurdoki | 3:47.29 | ||
| 32 | 5 | 5 | Florian Wellbrock | 3:47.30 | ||
| 33 | 3 | 3 | Fernando Scheffer | 3:47.42 | ||
| 34 | 7 | 1 | Jan Micka | 3:47.47 | ||
| 35 | 5 | 8 | Artem Lobuzov | 3:47.67 | ||
| 36 | 5 | 1 | Marcus Kroyer | 3:48.20 | ||
| 37 | 5 | 9 | Erik Gidskehaug | 3:48.27 | ||
| 38 | 4 | 2 | Yuhang Wu | 3:48.45 | ||
| 39 | 4 | 3 | Bogdan Scarlat | 3:49.18 | ||
| 40 | 8 | 0 | Joris Bouchaut | 3:49.55 | ||
| 41 | 3 | 6 | Christian Punter | 3:50.53 | ||
| 42 | 4 | 8 | Khader Baqlah | 3:50.58 | ||
| 43 | 4 | 6 | Pang Sheng Jun | 3:50.70 | ||
| 44 | 6 | 6 | Pál Joensen | 3:50.95 | ||
| 45 | 5 | 0 | Michael Mincham | 3:50.98 | ||
| 46 | 4 | 5 | Oil Mortensen | 3:52.26 | ||
| 47 | 4 | 7 | Pit Brandenburger | 3:53.53 | ||
| 48 | 3 | 3 | Irakli Revishvili | 3:53.89 | ||
| 49 | 1 | 3 | Igor Mogne | 3:54.44 | ||
| 50 | 3 | 9 | Cheng-Chi Cho | 3:55.06 | ||
| 51 | 3 | 5 | Matias Lopez | 3:55.42 | ||
| 52 | 3 | 2 | Felipe Tapia Salinas | 3:55.90 | ||
| 53 | 3 | 4 | Angelo Šimić | 3:57.75 | ||
| 54 | 4 | 9 | Alex Sobers | 3:58.13 | ||
| 55 | 5 | 7 | An Ting-Yao | 3:59.29 | ||
| 56 | 2 | 2 | Jarod Alexander Arroyo | 4:00.16 | ||
| 57 | 3 | 7 | Wesley Roberts | 4:00.17 | NR | |
| 58 | 3 | 1 | Dioser Nunez | 4:00.65 | ||
| 59 | 3 | 8 | Lin Sizhuang | 4:02.55 | ||
| 60 | 2 | 1 | Emilio Avila | 4:03.08 | ||
| 61 | 4 | 0 | Dominic Walter | 4:03.16 | ||
| 62 | 2 | 4 | Antonio Gonzalez | 4:03.35 | ||
| 63 | 2 | 6 | Brandon Schuster | 4:04.74 | ||
| 64 | 2 | 3 | Walter Caballero Quilla | 4:07.73 | ||
| 65 | 3 | 0 | Constantinos Hadjittooulis | 4:07.74 | ||
| 66 | 2 | 5 | Axel Ngui | 4:10.35 | ||
| 67 | 2 | 7 | Franci Aleksi | 4:10.84 | ||
| 68 | 1 | 4 | Amir Amrollahi Biuoki | 4:10.88 | ||
| 69 | 4 | 4 | Lâm Quang Nhật | 4:14.36 | ||
| 70 | 2 | 8 | Frenc Berdaku | 4:15.84 | ||
| 71 | 2 | 0 | Dean Hoffman | 4:18.11 | ||
| 72 | 2 | 9 | Tanner Poppe | 4:54.15 | ||
| 1 | 5 | Oussama Mellouli |
Final
The final was held at 18:30.| Rank | Lane | Name | Nationality | Time | Notes |
| 5 | Park Tae-hwan | 3:34.59 | AS | ||
| 4 | Aleksandr Krasnykh | 3:35.30 | NR | ||
| 6 | Péter Bernek | 3:37.65 | |||
| 4 | 7 | Wojciech Wojdak | 3:37.90 | ||
| 5 | 2 | Jordan Pothain | 3:39.35 | ||
| 6 | 1 | Maarten Brzoskowski | 3:39.91 | NR | |
| 7 | 3 | Zane Grothe | 3:40.20 | ||
| 8 | 8 | Stephen Milne | 3:43.63 |