# 2002 World Junior Championships in Athletics – Men's 400 metres hurdles

The men's 400 metres hurdles event at the 2002 World Junior Championships in Athletics was held in Kingston, Jamaica, at National Stadium on 16, 17 and 19 July.

## Medalists

| Gold | Louis van Zyl South Africa |
| Silver | Kenneth Ferguson United States |
| Bronze | Bershawn Jackson United States |

## Results
### Final

19 July
| Rank | Name | Nationality | Time |
| | Louis van Zyl | South Africa | 48.89 |
| | Kenneth Ferguson | United States | 49.38 |
| | Bershawn Jackson | United States | 50.00 |
| 4 | Steven Green | United Kingdom | 51.14 |
| 5 | Greg Little | Jamaica | 51.23 |
| 6 | Jussi Heikkilä | Finland | 51.35 |
| 7 | Julius Bungei | Kenya | 51.40 |
| 8 | Zhang Shibao | China | 51.42 |

### Semifinals

17 July

#### Semifinal 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Bershawn Jackson | United States | 50.77 | Q |
| 2 | Steven Green | United Kingdom | 51.12 | Q |
| 3 | Jussi Heikkilä | Finland | 51.35 | q |
| 4 | Jun Hamada | Japan | 52.28 | |
| 5 | Andrey Kozlovskiy | Belarus | 52.47 | |
| 6 | Ouadih Naciri | Morocco | 52.73 | |
| 7 | Ibrahim Al-Hamaidi | Saudi Arabia | 53.23 | |
| 8 | Lars-Birger Hense | Germany | 53.28 | |

#### Semifinal 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Louis van Zyl | South Africa | 51.05 | Q |
| 2 | Greg Little | Jamaica | 51.63 | Q |
| 3 | Rhys Williams | United Kingdom | 51.68 | |
| 4 | Mohamed Atig | France | 52.30 | |
| 5 | Marcin Joachimiak | Poland | 52.57 | |
| 6 | Daniel Kibet | Kenya | 52.84 | |
| 7 | Idris Al-Housaoui | Saudi Arabia | 52.91 | |
| 8 | Elliott Wood | Australia | 53.24 | |

#### Semifinal 3

| Rank | Name | Nationality | Time | Notes |
| 1 | Kenneth Ferguson | United States | 50.90 | Q |
| 2 | Julius Bungei | Kenya | 51.10 | Q |
| 3 | Zhang Shibao | China | 51.23 | q |
| 4 | Tobby Sutherland | Australia | 51.78 | |
| 5 | David Busch | Germany | 53.13 | |
| 6 | Mihaíl Markopóulos | Greece | 54.41 | |
| 7 | Levis Ouédraogo | Burkina Faso | 55.73 | |
| | Ákos Dezsö | Hungary | DNF | |

### Heats

16 July

#### Heat 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Bershawn Jackson | United States | 51.29 | Q |
| 2 | Tobby Sutherland | Australia | 51.59 | Q |
| 3 | Ákos Dezsö | Hungary | 51.82 | Q |
| 4 | Mohamed Atig | France | 52.38 | Q |
| 5 | Kenji Narisako | Japan | 54.10 | |
| 6 | Patlavath Shankar | India | 55.66 | |
| 7 | Ko Wen-Bin | Chinese Taipei | 56.93 | |

#### Heat 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Marcin Joachimiak | Poland | 52.31 | Q |
| 2 | Andrey Kozlovskiy | Belarus | 52.43 | Q |
| 3 | Ouadih Naciri | Morocco | 52.45 | Q |
| 4 | Zhang Shibao | China | 52.49 | Q |
| 5 | Guillaume Favier | France | 53.00 | |
| 6 | Shane Charles | Grenada | 53.49 | |
| 7 | Kamal Ben Saad | Algeria | 55.18 | |

#### Heat 3

| Rank | Name | Nationality | Time | Notes |
| 1 | Kenneth Ferguson | United States | 50.38 | Q |
| 2 | Greg Little | Jamaica | 51.74 | Q |
| 3 | David Busch | Germany | 52.18 | Q |
| 4 | Daniel Kibet | Kenya | 52.58 | Q |
| 5 | Idris Al-Housaoui | Saudi Arabia | 52.65 | q |
| 6 | Jun Hamada | Japan | 52.81 | q |
| 7 | Björgvin Víkingsson | Iceland | 53.39 | |
| 8 | Constantinos Constantinou | Cyprus | 54.50 | |

#### Heat 4

| Rank | Name | Nationality | Time | Notes |
| 1 | Louis van Zyl | South Africa | 50.60 | Q |
| 2 | Julius Bungei | Kenya | 50.90 | Q |
| 3 | Rhys Williams | United Kingdom | 51.71 | Q |
| 4 | Mihaíl Markopóulos | Greece | 53.46 | Q |
| 5 | Kurt Couto | Mozambique | 53.51 | |
| 6 | Patrick Lee | Jamaica | 54.48 | |

#### Heat 5

| Rank | Name | Nationality | Time | Notes |
| 1 | Steven Green | United Kingdom | 51.68 | Q |
| 2 | Jussi Heikkilä | Finland | 51.96 | Q |
| 3 | Elliott Wood | Australia | 52.16 | Q |
| 4 | Lars-Birger Hense | Germany | 52.24 | Q |
| 5 | Ibrahim Al-Hamaidi | Saudi Arabia | 52.61 | q |
| 6 | Levis Ouédraogo | Burkina Faso | 52.97 | q |
| 7 | Roberto García | Mexico | 52.97 | |
| 8 | Aleksey Pogorelov | Kyrgyzstan | 53.48 | |

## Participation

According to an unofficial count, 36 athletes from 27 countries participated in the event.
* Algeria (1)
* Australia (2)
* Belarus (1)
* Burkina Faso (1)
* China (1)
* Chinese Taipei (1)
* Cyprus (1)
* Finland (1)
* France (2)
* Germany (2)
* Greece (1)
* Grenada (1)
* Hungary (1)
* Iceland (1)
* India (1)
* Jamaica (2)
* Japan (2)
* Kenya (2)
* Kyrgyzstan (1)
* Mexico (1)
* Morocco (1)
* Mozambique (1)
* Poland (1)
* Saudi Arabia (2)
* South Africa (1)
* United Kingdom (2)
* United States (2)