# Athletics at the 2002 Asian Games – Men's 100 metres

The men's 100 metres competition at the 2002 Asian Games in Busan, South Korea was held on 7–8 October at the Busan Asiad Main Stadium.

## Schedule

All times are Korea Standard Time (UTC+09:00)
| Date | Time | Event |
| Monday, 7 October 2002 | 09:50 | 1st round |
| Tuesday, 8 October 2002 | 11:30 | Semifinals |
| Tuesday, 8 October 2002 | 16:00 | Final |

## Records

Prior to this competition, the existing world, Asian and Games records were as follows.
| World Record | Tim Montgomery (USA) Maurice Greene (USA) | 9.78 9.79 | Paris, France Athens, Greece | 14 September 2002 16 June 1999 |
| Asian Record | Koji Ito (JPN) | 10.00 | Bangkok, Thailand | 13 December 1998 |
| Games Record | Koji Ito (JPN) | 10.00 | Bangkok, Thailand | 13 December 1998 |
* Tim Montgomery's world record was rescinded in 2005.

## Results
### 1st round

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

#### Heat 1

* Wind: −0.4 m/s
| Rank | Athlete | Time | Notes |
| 1 | Nobuharu Asahara (JPN) | 10.40 | Q |
| 2 | Shen Yunbao (CHN) | 10.54 | Q |
| 3 | Salem Al-Yami (KSA) | 10.61 | Q |
| 4 | Saad Al-Shahwani (QAT) | 10.69 | Q |
| 5 | Reanchai Seeharwong (THA) | 10.72 | q |
| 6 | Liu Chih-hung (TPE) | 10.93 | |

#### Heat 2

* Wind: −1.1 m/s
| Rank | Athlete | Time | Notes |
| 1 | Jamal Al-Saffar (KSA) | 10.44 | Q |
| 2 | Tsai Meng-lin (TPE) | 10.60 | Q |
| 3 | Sittichai Suwonprateep (THA) | 10.64 | Q |
| 4 | William To (HKG) | 10.78 | Q |
| 5 | Kim Sang-do (KOR) | 10.82 | q |
| 6 | Ahmed Al-Moamari (OMA) | 10.91 | |
| 7 | Nobuhiro Tajima (JPN) | 10.97 | |

#### Heat 3

* Wind: +0.6 m/s
| Rank | Athlete | Time | Notes |
| 1 | Chen Haijian (CHN) | 10.33 | Q |
| 2 | Gennadiy Chernovol (KAZ) | 10.37 | Q |
| 3 | Khalid Al-Obaidli (QAT) | 10.44 | Q |
| 4 | U. K. Shyam (SIN) | 10.63 | Q |
| 5 | Chiang Wai Hung (HKG) | 10.64 | q |
| 6 | Shin Jung-ki (KOR) | 10.81 | q |
| 7 | Juma Al-Jabri (OMA) | 11.37 | |

### Semifinals

* Qualification: First 4 in each heat (Q) advance to the final.

#### Heat 1

* Wind: −0.8 m/s
| Rank | Athlete | Time | Notes |
| 1 | Nobuharu Asahara (JPN) | 10.38 | Q |
| 2 | Chen Haijian (CHN) | 10.42 | Q |
| 3 | Khalid Al-Obaidli (QAT) | 10.63 | Q |
| 4 | Tsai Meng-lin (TPE) | 10.68 | Q |
| 5 | Chiang Wai Hung (HKG) | 10.76 | |
| 6 | U. K. Shyam (SIN) | 10.79 | |
| 7 | Reanchai Seeharwong (THA) | 10.81 | |
| 8 | Shin Jung-ki (KOR) | 10.93 | |

#### Heat 2

* Wind: +0.5 m/s
| Rank | Athlete | Time | Notes |
| 1 | Jamal Al-Saffar (KSA) | 10.24 | Q |
| 2 | Gennadiy Chernovol (KAZ) | 10.36 | Q |
| 3 | Shen Yunbao (CHN) | 10.45 | Q |
| 4 | Salem Al-Yami (KSA) | 10.45 | Q |
| 5 | Sittichai Suwonprateep (THA) | 10.47 | |
| 6 | Saad Al-Shahwani (QAT) | 10.56 | |
| 7 | William To (HKG) | 10.66 | |
| 8 | Kim Sang-do (KOR) | 10.67 | |

### Final

* Wind: +0.3 m/s
| Rank | Athlete | Time |
| | Jamal Al-Saffar (KSA) | 10.24 |
| | Nobuharu Asahara (JPN) | 10.29 |
| | Chen Haijian (CHN) | 10.34 |
| 4 | Gennadiy Chernovol (KAZ) | 10.35 |
| 5 | Salem Al-Yami (KSA) | 10.36 |
| 6 | Shen Yunbao (CHN) | 10.43 |
| 7 | Khalid Al-Obaidli (QAT) | 10.52 |
| 8 | Tsai Meng-lin (TPE) | 10.53 |