Swimming at the 2002 Asian Games – Women's 400 metre individual medley
# Swimming at the 2002 Asian Games – Women's 400 metre individual medley

The women's 400 metre individual medley swimming competition at the 2002 Asian Games in Busan was held on 5 October at the Sajik Swimming Pool.

## Schedule

All times are Korea Standard Time (UTC+09:00)

| Date | Time | Event |
| - | - | - |
| Saturday, 5 October 2002 | 10:00 | Heats |
| Saturday, 5 October 2002 | 19:00 | Final |

## Records

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

| World Record | Yana Klochkova (UKR) | 4:33.59 | Sydney, Australia | 16 September 2000 |
| - | - | - | - | - |
| Asian Record | Chen Yan (CHN) | 4:34.79 | Shanghai, China | 18 October 1997 |
| Games Record | Lin Li (CHN) | 4:39.88 | Beijing, China | 23 September 1990 |

## Results

### Legend

* DNS — Did not start

### Heats

| Rank | Heat | Athlete | Time |
| - | - | - | - |
| 1 | 1 | Maiko Fujino (JPN) | 4:48.03 |
| 2 | 1 | Lee Sun-a (KOR) | 4:54.13 |
| 3 | 2 | Nam Yoo-sun (KOR) | 4:56.19 |
| 4 | 2 | Qi Hui (CHN) | 4:58.55 |
| 5 | 2 | Ayane Sato (JPN) | 4:59.04 |
| 6 | 1 | Zhou Yafei (CHN) | 5:01.42 |
| 7 | 2 | Sia Wai Yen (MAS) | 5:02.92 |
| 8 | 1 | Chan Wing Suet (HKG) | 5:04.57 |
| 9 | 1 | Chorkaew Choompol (THA) | 5:04.95 |
| 10 | 2 | Jenny Guerrero (PHI) | 5:12.82 |
| — | 2 | Võ Thị Thanh Vy (VIE) | DNS |

### Final

| Rank | Athlete | Time |
| - | - | - |
| | Qi Hui (CHN) | 4:40.37 |
| | Maiko Fujino (JPN) | 4:43.49 |
| | Zhou Yafei (CHN) | 4:47.09 |
| 4 | Nam Yoo-sun (KOR) | 4:50.03 |
| 5 | Ayane Sato (JPN) | 4:50.88 |
| 6 | Lee Sun-a (KOR) | 4:55.96 |
| 7 | Sia Wai Yen (MAS) | 5:06.20 |
| 8 | Chan Wing Suet (HKG) | 5:06.24 |
