Swimming at the 2013 Southeast Asian Games – Women's 400 metre freestyle
# Swimming at the 2013 Southeast Asian Games – Women's 400 metre freestyle

The Women's 400 metre freestyle event at the 2013 Southeast Asian Games took place on 13 December 2013 at Wunna Theikdi Aquatics Centre.

There were 11 competitors from 6 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, 13 December 2013 | 09:11 | Heats |
| Thursday, 13 December 2013 | 18:30 | Final |

## Records

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

| World Record | Federica Pellegrini (ITA) | 3:59.15 | Rome, Italy | 26 July 2009 |
| - | - | - | - | - |
| Asian Record | Chen Qian (CHN) | 4:02.35 | Jinan, China | 18 October 2009 |
| Games Record | Khoo Cai Lin (MAS) | 4:10.75 | Vientiane, Laos | 11 December 2009 |

## Results

### Heats

| Rank | Heat | Lane | Athlete | Time | Notes |
| - | - | - | - | - | - |
| 1 | 2 | 4 | Khoo Cai Lin (MAS) | 4:27.77 | Q |
| 2 | 2 | 5 | Benjaporn Sriphanomthorn (THA) | 4:28.48 | Q |
| 3 | 1 | 5 | Lynette Lim (SIN) | 4:29.20 | Q |
| 4 | 1 | 3 | Rachel Tseng (SIN) | 4:29.78 | Q |
| 5 | 2 | 3 | Raina Saumi Grahana Ramdhani (INA) | 4:33.49 | |
| 6 | 1 | 4 | Nguyen Thi Anh Vien (VIE) | 4:33.51 | Q |
| 7 | 1 | 6 | Iffy Nadya Fahmiruwhanti (INA) | 4:34.16 | Q |
| 8 | 2 | 2 | Nadia Adrianna Redza Goh (MAS) | 4:43.25 | Q |
| 9 | 1 | 2 | Khant Khant Su San (MYA) | 4:51.88 | Q |
| 10 | 2 | 7 | Sebeal Thin (MYA) | 5:03.81 | |
| 11 | 2 | 6 | Tran Tam Nguyen (VIE) | 5:03.90 | |

### Final

| Rank | Lane | Athlete | Time |
| - | - | - | - |
| | 5 | Benjaporn Sriphanomthorn (THA) | 4:14.23 |
| | 2 | Nguyen Thi Anh Vien (VIE) | 4:16.06 |
| | 3 | Lynette Lim (SIN) | 4:21.24 |
| 4 | 6 | Rachel Tseng (SIN) | 4:22.17 |
| 5 | 4 | Khoo Cai Lin (MAS) | 4:25.02 |
| 6 | 7 | Iffy Nadya Fahmiruwhanti (INA) | 4:35.74 |
| 7 | 1 | Nadia Adrianna Redza Goh (MAS) | 4:40.91 |
| 8 | 8 | Khant Khant Su San (MYA) | 4:52.89 |
