Swimming at the 2015 SEA Games – Women's 400 metre freestyle
# Swimming at the 2015 SEA Games – Women's 400 metre freestyle

The women's 400 metre freestyle competition of the swimming event at the 2015 SEA Games was held on 10 June at the OCBC Aquatic Centre in Kallang, Singapore.

## Records

Prior to this competition, the existing Asian and Games records were as follows:

| 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 |

The following records were established during the competition:

| Date | Event | Name | Nationality | Time | Record |
| - | - | - | - | - | - |
| 10 June | Final | Nguyễn Thị Ánh Viên | Vietnam (VIE) | 4:08.66 | GR |

## Schedule

All times are Singapore Standard Time (UTC+08:00)

| Date | Time | Event |
| - | - | - |
| Wednesday, 10 June 2015 | 09:22 | Heat 1 |
| Wednesday, 10 June 2015 | 09:26 | Heat 2 |
| Wednesday, 10 June 2015 | 19:58 | Final |

## Results

| KEY: | Q | Qualified | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best | WD | Withdrew | DNF | Did not finish |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |

### Heats

    Source: Heats Results Summary

The heats were held on 10 June.

**Heat 1**


    Source: Heat 1 Results

Heat 1 was held on 10 June.

| Rank | Lane | Athletes | Time | Notes |
| - | - | - | - | - |
| 1 | 3 | Christie May Chue Mun Ee (SIN) | 4:24.51 | Q |
| 2 | 4 | Benjaporn Sriphanomthorn (THA) | 4:24.85 | Q |
| 3 | 6 | Ammiga Himathongkom (THA) | 4:25.03 | Q |
| 4 | 5 | Tseng Wei Wen Rachel (SIN) | 4:25.06 | Q |
| 5 | 2 | Angela Chieng Chui Fei (MAS) | 4:30.91 | Q |
| 6 | 7 | Oo Shun Lei Maw (MYA) | 4:52.83 | |

**Heat 2**


    Source: Heat 2 Results

Heat 2 was held on 10 June.

| Rank | Lane | Athletes | Time | Notes |
| - | - | - | - | - |
| 1 | 4 | Nguyễn Thị Ánh Viên (VIE) | 4:24.83 | Q |
| 2 | 5 | Khoo Cai Lin (MAS) | 4:27.17 | Q |
| 2 | 3 | Raina Saumi Graha Ramadhani (INA) | 4:30.31 | Q |
| 4 | 7 | Sagita Putri Krisdewanti (INA) | 4:32.03 | |
| 5 | 6 | Rosalee Mira Santa Ana (PHI) | 4:33.19 | |

### Final

    Source: Final Results

The final was held on 10 June.

| Rank | Lane | Athletes | Time | Notes |
| - | - | - | - | - |
| | 5 | Nguyễn Thị Ánh Viên (VIE) | 4:08.66 | GR |
| | 7 | Khoo Cai Lin (MAS) | 4:17.79 | |
| | 6 | Ammiga Himathongkom (THA) | 4:20.20 | |
| 4 | 4 | Christie May Chue Mun Ee (SIN) | 4:23.69 | |
| 5 | 2 | Tseng Wei Wen Rachel (SIN) | 4:24.99 | |
| 6 | 1 | Raina Saumi Graha Ramadhani (INA) | 4:27.12 | |
| 7 | 3 | Benjaporn Sriphanomthorn (THA) | 4:27.48 | |
| 8 | 8 | Angela Chieng Chui Fei (MAS) | 4:31.05 | |
