| 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 individual medley event at the 2013 SEA Games took place on 12 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, 12 December 2013 | 09:07 | Heats |
| 18:07 | Final |
Prior to this competition, the existing world, Asian, and Southeast Asian Games records were as follows.
| World Record | 4:03.84 | Beijing, China | 10 August 2008 | |
| Asian Record | 4:07.61 | Niigata, Japan | 11 April 2013 | |
| Games Record | 4:23.20 | Hanoi, Vietnam | 6 December 2003 |
| Rank | Heat | Lane | Athlete | Time | Notes |
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4:32.26 | Q | |
| 2 | 2 | 4 | 4:32.82 | Q | |
| 3 | 2 | 5 | 4:34.04 | Q | |
| 4 | 1 | 4 | 4:34.21 | Q | |
| 5 | 1 | 5 | 4:35.56 | Q | |
| 6 | 1 | 6 | 4:35.61 | Q | |
| 7 | 1 | 3 | 4:41.06 | Q | |
| 8 | 2 | 2 | 4:43.04 | Q | |
| 9 | 1 | 2 | 4:44.04 | ||
| 10 | 2 | 6 | 4:52.04 | ||
| 11 | 2 | 7 | 5:02.15 | ||
| 12 | 1 | 7 | 5:09.14 |
| Rank | Lane | Athlete | Time | Notes |
|---|---|---|---|---|
| 5 | 4:23.45 | |||
| 4 | 4:23.63 | |||
| 6 | 4:25.34 | NR | ||
| 4 | 3 | 4:30.75 | ||
| 5 | 7 | 4:34.80 | ||
| 6 | 1 | 4:36.22 | ||
| 6 | 2 | 4:36.22 | ||
| 8 | 8 | 4:44.28 |