| Swimming at the 2013 SEA Games | ||
|---|---|---|
| | ||
| Freestyle | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| 800 m | women | |
| 1500 m | men | |
| Backstroke | ||
| 100 m | men | women |
| 200 m | men | women |
| Breaststroke | ||
| 100 m | men | women |
| 200 m | men | women |
| Butterfly | ||
| 100 m | men | women |
| 200 m | men | women |
| Individual medley | ||
| 200 m | men | women |
| 400 m | men | women |
| Freestyle relay | ||
| 4×100 m | men | women |
| 4×200 m | men | women |
| Medley relay | ||
| 4×100 m | men | women |
The Men's 400 metre freestyle event at the 2013 SEA Games took place on 14 December 2013 at Wunna Theikdi Aquatics Centre.
There were 12 competitors from 7 countries who took part in this event. Two heats were held. The heat in which a swimmer competed did not formally matter for advancement, as the swimmers with the top eight times from both field qualified for the finals.
All times are Myanmar Standard Time (UTC+06:30)
| Date | Time | Event |
|---|---|---|
| Thursday, 14 December 2013 | 09:00 | Heats |
| 18:00 | Final |
Prior to this competition, the existing world, Asian, and Southeast Asian Games records were as follows.
| World Record | 3:40.07 | Rome, Italy | 26 July 2009 | |
| Asian Record | 3:40.14 | London, United Kingdom | 28 July 2012 | |
| Games Record | 3:53.99 | Vientiane, Laos | 12 December 2009 |
| Rank | Heat | Lane | Athlete | Time | Notes |
|---|---|---|---|---|---|
| 1 | 2 | 4 | 4:04.76 | Q | |
| 2 | 1 | 5 | 4:06.48 | Q | |
| 3 | 1 | 4 | 4:06.68 | Q | |
| 4 | 1 | 2 | 4:06.77 | Q | |
| 5 | 2 | 3 | 4:06.96 | Q | |
| 6 | 2 | 5 | 4:07.94 | Q | |
| 7 | 1 | 3 | 4:09.85 | Q | |
| 8 | 2 | 6 | 4:12.01 | Q | |
| 9 | 1 | 6 | 4:21.42 | ||
| 10 | 2 | 7 | 4:29.06 | ||
| 11 | 1 | 7 | 4:43.10 | ||
| - | 2 | 2 | DNS |
| Rank | Lane | Athlete | Time | Notes |
|---|---|---|---|---|
| 3 | 3:54.89 | |||
| 5 | 3:57.73 | |||
| 7 | 3:59.00 | |||
| 4 | 6 | 3:59.22 | ||
| 5 | 4 | 4:00.75 | ||
| 6 | 8 | 4:01.44 | ||
| 7 | 2 | 4:05.07 | ||
| 8 | 1 | 4:07.34 |