Swimming at the 1998 Asian Games – Men's 400 metre freestyle
# Swimming at the 1998 Asian Games – Men's 400 metre freestyle

The men's 400 metre freestyle swimming competition at the 1998 Asian Games in Bangkok was held on 10 December at the Thammasat Aquatic Center.

## Schedule

All times are Indochina Time (UTC+07:00)

| Date | Time | Event |
| - | - | - |
| Thursday, 10 December 1998 | 09:00 | Heats |
| Thursday, 10 December 1998 | 18:00 | Final |

## Results

### Heats

| Rank | Heat | Athlete | Time |
| - | - | - | - |
| 1 | 3 | Masato Hirano (JPN) | 4:00.45 |
| 2 | 1 | Torwai Sethsothorn (THA) | 4:01.99 |
| 3 | 3 | Torlarp Sethsothorn (THA) | 4:02.08 |
| 4 | 3 | Mark Kwok (HKG) | 4:02.56 |
| 5 | 1 | Woo Chul (KOR) | 4:04:09 |
| 6 | 3 | Hisham Al-Masri (SYR) | 4:05.51 |
| 7 | 2 | Yosuke Ichikawa (JPN) | 4:06.49 |
| 8 | 2 | Deng Qingsong (CHN) | 4:06.58 |
| 9 | 2 | Li Yun-lun (TPE) | 4:06.75 |
| 10 | 2 | Alex Fong (HKG) | 4:08.80 |
| 11 | 1 | Sng Ju Wei (SIN) | 4:09.06 |
| 12 | 3 | Mark Chay (SIN) | 4:09.08 |
| 13 | 2 | Lee Kyu-chang (KOR) | 4:09.24 |
| 14 | 3 | Carlo Piccio (PHI) | 4:10.01 |
| 15 | 1 | Raymond Papa (PHI) | 4:13.99 |
| 16 | 2 | Hamed Rezakhani (IRI) | 4:24.32 |
| 17 | 1 | Hem Kiry (CAM) | 4:45.78 |

### Final

| Rank | Athlete | Time | Notes |
| - | - | - | - |
| | Torlarp Sethsothorn (THA) | 3:53.61 | GR |
| | Masato Hirano (JPN) | 3:54.13 | |
| | Mark Kwok (HKG) | 4:00.44 | |
| 4 | Woo Chul (KOR) | 4:00.66 | |
| 5 | Yosuke Ichikawa (JPN) | 4:00.75 | |
| 6 | Torwai Sethsothorn (THA) | 4:03.62 | |
| 7 | Hisham Al-Masri (SYR) | 4:05.92 | |
| 8 | Deng Qingsong (CHN) | 4:13.19 | |
