| Event: | Men's 400m Freestyle |
| Competition: | 2010 Short Course Worlds |
| Dates: | 17 December 2010 |
| Competitors: | 51 |
| Win Value: | 3:37.06 |
| Gold: | Paul Biedermann |
| Goldnoc: | GER |
| Silver: | Nikita Lobintsev |
| Silvernoc: | RUS |
| Bronze: | Oussama Mellouli |
| Bronzenoc: | TUN |
| Prev: | 2008 |
| Next: | 2012 |
See main article: 2010 FINA World Swimming Championships (25m).
The Men's 400 Freestyle at the 10th FINA World Swimming Championships (25m) was swum 17 December 2010 in Dubai, United Arab Emirates. 51 individuals swam in the preliminary heats in the morning,[1] with the top-8 finishers advancing to the final that evening to swim again.[2]
At the start of the event, the existing World (WR) and Championship records (CR) were:
| Name | Nation | Time | Location | Date | |||
|---|---|---|---|---|---|---|---|
| WR | Paul Biedermann | align=left | 3:32.77 | 14 November 2009 | |||
| CR | align=left | 3:35.01 | 1 April 1999 |
| Rank | Heat | Lane | Name | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 7 | 4 | 3:39.64 | Q | ||
| 2 | 7 | 5 | 3:39.96 | Q | ||
| 3 | 6 | 4 | 3:39.98 | Q | ||
| 4 | 5 | 5 | 3:40.07 | Q | ||
| 5 | 7 | 6 | 3:40.16 | Q | ||
| 6 | 7 | 2 | 3:40.31 | Q | ||
| 7 | 5 | 6 | 3:40.77 | Q | ||
| 8 | 6 | 5 | 3:41.44 | Q | ||
| 9 | 5 | 4 | 3:41.68 | |||
| 10 | 6 | 2 | 3:41.85 | |||
| 11 | 6 | 5 | 3:42.53 | |||
| 12 | 6 | 3 | 3:43.12 | |||
| 13 | 7 | 3 | 3:44.42 | |||
| 14 | 7 | 7 | 3:45.17 | |||
| 15 | 6 | 1 | 3:45.19 | |||
| 16 | 1 | 3 | 3:45.34 | |||
| 17 | 5 | 3 | 3:45.84 | |||
| 18 | 4 | 3 | 3:46.06 | |||
| 19 | 3 | 3 | 3:46.21 | |||
| 20 | 4 | 1 | 3:46.60 | |||
| 21 | 5 | 2 | 3:46.71 | |||
| 22 | 5 | 8 | 3:46.77 | |||
| 23 | 5 | 7 | 3:46.82 | |||
| 24 | 7 | 8 | 3:46.85 | |||
| 25 | 5 | 1 | 3:47.54 | |||
| 26 | 7 | 1 | 3:48.37 | |||
| 27 | 3 | 4 | 3:48.56 | |||
| 28 | 4 | 5 | 3:50.03 | |||
| 29 | 6 | 7 | 3:50.28 | |||
| 30 | 3 | 6 | 3:50.41 | |||
| 31 | 6 | 8 | 3:51.71 | |||
| 32 | 4 | 2 | 3:52.92 | |||
| 33 | 4 | 8 | 3:53.80 | |||
| 34 | 4 | 4 | 3:54.10 | |||
| 35 | 4 | 7 | 3:55.18 | |||
| 36 | 3 | 5 | 3:55.32 | |||
| 37 | 3 | 8 | 3:56.50 | |||
| 38 | 3 | 7 | 3:58.53 | |||
| 39 | 3 | 1 | 3:59.35 | |||
| 40 | 3 | 2 | 3:59.88 | |||
| 41 | 2 | 3 | 4:00.93 | |||
| 42 | 4 | 6 | 4:00.98 | |||
| 43 | 2 | 5 | 4:02.19 | |||
| 44 | 2 | 6 | 4:07.46 | |||
| 45 | 2 | 7 | 4:08.10 | |||
| 46 | 2 | 8 | 4:12.41 | |||
| 47 | 2 | 1 | 4:25.66 | |||
| 48 | 2 | 2 | 4:27.06 | |||
| 49 | 2 | 4 | 4:34.27 | |||
| 50 | 1 | 4 | 4:46.80 | |||
| 51 | 1 | 5 | 4:49.74 |
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 8 | Paul Biedermann | 3:37.06 | ||||
| 7 | Nikita Lobintsev | 3:37.84 | ||||
| 4 | Oussama Mellouli | 3:38.17 | ||||
| 4 | 5 | Peter Vanderkaay | 3:38.44 | |||
| 5 | 3 | Mads Glæsner | 3:38.56 | |||
| 6 | 1 | Sébastien Rouault | 3:40.07 | |||
| 6 | 2 | Yannick Agnel | 3:40.07 | |||
| 8 | 6 | Ahmed Mathlouthi | 3:40.33 |