Swimming at the 2013 Southeast Asian Games – Men's 400 metre individual medley
# Swimming at the 2013 Southeast Asian Games – Men's 400 metre individual medley

The men's 400 metre individual medley event at the 2013 Southeast Asian 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.

## Schedule

All times are Myanmar Standard Time (UTC+06:30)

| Date | Time | Event |
| - | - | - |
| Thursday, 12 December 2013 | 09:07 | Heats |
| Thursday, 12 December 2013 | 18:07 | Final |

## Records

Prior to this competition, the existing world, Asian, and Southeast Asian Games records were as follows.

| World Record | Michael Phelps (USA) | 4:03.84 | Beijing, China | 10 August 2008 |
| - | - | - | - | - |
| Asian Record | Kosuke Hagino (JPN) | 4:07.61 | Niigata, Japan | 11 April 2013 |
| Games Record | Ratapong Sirisanont (THA) | 4:23.20 | Hanoi, Vietnam | 6 December 2003 |

## Results

### Heats

| Rank | Heat | Lane | Athlete | Time | Notes |
| - | - | - | - | - | - |
| 1 | 2 | 3 | Nuttapong Ketin (THA) | 4:32.26 | Q |
| 2 | 2 | 4 | Quah Zheng Wen (SIN) | 4:32.82 | Q |
| 3 | 2 | 5 | Matt Louis Navata (PHI) | 4:34.04 | Q |
| 4 | 1 | 4 | Tran Duy Khoi (VIE) | 4:34.21 | Q |
| 5 | 1 | 5 | Pang Sheng Jun (SIN) | 4:35.56 | Q |
| 6 | 1 | 6 | Lam Quang Nhat (VIE) | 4:35.61 | Q |
| 7 | 1 | 3 | Rodrick Luhur (INA) | 4:41.06 | Q |
| 8 | 2 | 2 | Satrio Bagaskara Gunadi Putra (INA) | 4:43.04 | Q |
| 9 | 1 | 2 | Lee Jeau Zhi Vernon (MAS) | 4:44.04 | |
| 10 | 2 | 6 | Jiarapong Sangkhawat (THA) | 4:52.04 | |
| 11 | 2 | 7 | Wong Fu Kang (MAS) | 5:02.15 | |
| 12 | 1 | 7 | Aung Myo Oo (MYA) | 5:09.14 | |

### Final

| Rank | Lane | Athlete | Time | Notes |
| - | - | - | - | - |
| | 5 | Quah Zheng Wen (SIN) | 4:23.45 | |
| | 4 | Nuttapong Ketin (THA) | 4:23.63 | |
| | 6 | Tran Duy Khoi (VIE) | 4:25.34 | NR |
| 4 | 3 | Matt Louis Navata (PHI) | 4:30.75 | |
| 5 | 7 | Lam Quang Nhat (VIE) | 4:34.80 | |
| 6 | 1 | Rodrick Luhur (INA) | 4:36.22 | |
| 6 | 2 | Pang Sheng Jun (SIN) | 4:36.22 | |
| 8 | 8 | Satrio Bagaskara Gunadi Putra (INA) | 4:44.28 | |
