Athletics at the 1998 Asian Games – Men's 400 metres
# Athletics at the 1998 Asian Games – Men's 400 metres

The men's 400 metres competition at the 1998 Asian Games in Bangkok, Thailand was held on 13–14 December at the Thammasat Stadium.

## Schedule

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

| Date | Time | Event |
| - | - | - |
| Sunday, 13 December 1998 | 08:30 | Heats |
| Sunday, 13 December 1998 | 14:50 | Semifinals |
| Monday, 14 December 1998 | 14:50 | Final |

## Results

### Legend

* DSQ — Disqualified

### Heats

* Qualification: First 3 in each heat (Q) and the next 4 fastest (q) advance to the semifinals.

**Heat 1**

| Rank | Athlete | Time | Notes |
| - | - | - | - |
| 1 | Sugath Thilakaratne (SRI) | 46.88 | Q |
| 2 | Kim Jae-da (KOR) | 47.28 | Q |
| 3 | Khaled Al-Johar (KUW) | 47.88 | Q |
| 4 | Khalifa Said (QAT) | 48.38 | q |
| 5 | Lei Vai Kun (MAC) | 49.18 | |
| 6 | Basheer Al-Khewani (YEM) | 53.31 | |

**Heat 2**

| Rank | Athlete | Time | Notes |
| - | - | - | - |
| 1 | Paramjit Singh (IND) | 46.68 | Q |
| 2 | Kenji Tabata (JPN) | 46.82 | Q |
| 3 | Yazid Parlan (MAS) | 48.37 | Q |
| 4 | Chang Po-chih (TPE) | 48.53 | q |
| 5 | Anirut Saisut (THA) | 48.77 | |
| 6 | Mohammad Ayed (JOR) | 49.64 | |

**Heat 3**

| Rank | Athlete | Time | Notes |
| - | - | - | - |
| 1 | Ibrahim Ismail Muftah (QAT) | 46.65 | Q |
| 2 | Shon Ju-il (KOR) | 47.51 | Q |
| 3 | Romzi Bakar (MAS) | 47.69 | Q |
| 4 | Lee Ching-yen (TPE) | 48.55 | |
| — | Puntsag-Ochiryn Pürevsüren (MGL) | DSQ | |
| — | Shadi Qaqour (JOR) | DSQ | |

**Heat 4**

| Rank | Athlete | Time | Notes |
| - | - | - | - |
| 1 | Masayoshi Kan (JPN) | 46.67 | Q |
| 2 | Fawzi Al-Shammari (KUW) | 46.81 | Q |
| 3 | Rohan Pradeep Kumara (SRI) | 47.02 | Q |
| 4 | Senee Kongtong (THA) | 47.76 | q |
| 5 | Hwang Il-sok (PRK) | 47.80 | q |
| 6 | Hamoud Al-Hashimi (OMA) | 48.94 | |

### Semifinals

* Qualification: First 3 in each heat (Q) and the next 2 fastest (q) advance to the final.

**Heat 1**

| Rank | Athlete | Time | Notes |
| - | - | - | - |
| 1 | Ibrahim Ismail Muftah (QAT) | 45.95 | Q |
| 2 | Shon Ju-il (KOR) | 46.55 | Q |
| 3 | Kenji Tabata (JPN) | 46.74 | Q |
| 4 | Fawzi Al-Shammari (KUW) | 47.00 | q |
| 5 | Rohan Pradeep Kumara (SRI) | 47.09 | |
| 6 | Senee Kongtong (THA) | 47.56 | |
| 7 | Chang Po-chih (TPE) | 48.17 | |
| 8 | Yazid Parlan (MAS) | 48.41 | |

**Heat 2**

| Rank | Athlete | Time | Notes |
| - | - | - | - |
| 1 | Sugath Thilakaratne (SRI) | 45.88 | Q |
| 2 | Paramjit Singh (IND) | 46.37 | Q |
| 3 | Masayoshi Kan (JPN) | 46.50 | Q |
| 4 | Kim Jae-da (KOR) | 46.97 | q |
| 5 | Romzi Bakar (MAS) | 47.73 | |
| 6 | Hwang Il-sok (PRK) | 47.78 | |
| 7 | Khaled Al-Johar (KUW) | 48.24 | |
| 8 | Khalifa Said (QAT) | 48.41 | |

### Final

| Rank | Athlete | Time |
| - | - | - |
| | Sugath Thilakaratne (SRI) | 44.99 |
| | Ibrahim Ismail Muftah (QAT) | 45.32 |
| | Paramjit Singh (IND) | 45.93 |
| 4 | Fawzi Al-Shammari (KUW) | 46.10 |
| 5 | Masayoshi Kan (JPN) | 46.11 |
| 6 | Shon Ju-il (KOR) | 46.19 |
| 7 | Kenji Tabata (JPN) | 46.96 |
| 8 | Kim Jae-da (KOR) | 47.85 |
