# 1996 World Junior Championships in Athletics – Men's 400 metres

The men's 400 metres event at the 1996 World Junior Championships in Athletics was held in Sydney, Australia, at International Athletic Centre on 21, 22 and 23 August.

## Medalists

| Gold | Obea Moore United States |
| Silver | Jerome Davis United States |
| Bronze | Shane Niemi Canada |

## Results
### Final

23 August
| Rank | Name | Nationality | Time |
| | Obea Moore | United States | 45.27 |
| | Jerome Davis | United States | 45.86 |
| | Shane Niemi | Canada | 45.94 |
| 4 | Dai Tamesue | Japan | 46.03 |
| 5 | Piotr Haczek | Poland | 46.29 |
| 6 | Rohan McDonald | Jamaica | 46.88 |
| 7 | David Canal | Spain | 47.21 |
| 8 | Piotr Długosielski | Poland | 47.43 |

### Semifinals

22 August

#### Semifinal 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Jerome Davis | United States | 46.58 | Q |
| 2 | Rohan McDonald | Jamaica | 46.92 | Q |
| 3 | Piotr Długosielski | Poland | 46.93 | q |
| 4 | Sofiène Labidi | Tunisia | 47.24 | |
| 5 | Honory McDonald | Trinidad and Tobago | 47.26 | |
| 6 | Edoardo Vallet | Italy | 47.35 | |
| 7 | Chris Jacobs | South Africa | 48.03 | |
| 8 | Paul Ngotho | Kenya | 48.28 | |

#### Semifinal 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Dai Tamesue | Japan | 46.50 | Q |
| 2 | Obea Moore | United States | 46.60 | Q |
| 3 | Shane Niemi | Canada | 46.92 | q |
| 4 | Carlos Gachanja | Germany | 47.07 | |
| 5 | Jimisola Laursen | Sweden | 47.79 | |
| 6 | Avard Moncur | Bahamas | 47.90 | |
| 7 | Michael Campbell | Jamaica | 48.04 | |
| 8 | Casey Vincent | Australia | 48.16 | |

#### Semifinal 3

| Rank | Name | Nationality | Time | Notes |
| 1 | Piotr Haczek | Poland | 46.82 | Q |
| 2 | David Canal | Spain | 47.06 | Q |
| 3 | Geoff Dearman | United Kingdom | 47.40 | |
| 4 | Brad Jamieson | Australia | 47.70 | |
| 5 | Edel Hevia | Cuba | 47.72 | |
| 6 | Themba Ncube | Zimbabwe | 48.05 | |
| 7 | Moses Mabaso | South Africa | 48.21 | |
| 8 | Tommi Hartonen | Finland | 48.27 | |

### Heats

21 August

#### Heat 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Piotr Długosielski | Poland | 47.17 | Q |
| 2 | Honory McDonald | Trinidad and Tobago | 47.19 | Q |
| 3 | Shane Niemi | Canada | 47.20 | Q |
| 4 | Jimisola Laursen | Sweden | 47.72 | q |
| 5 | Moses Mabaso | South Africa | 47.83 | q |
| 6 | Gustavo Aguirre | Argentina | 48.46 | |
| 7 | Angelo Ignatius | Netherlands Antilles | 48.96 | |

#### Heat 2

| Rank | Name | Nationality | Time | Notes |
| 1 | David Canal | Spain | 47.43 | Q |
| 2 | Michael Campbell | Jamaica | 47.43 | Q |
| 3 | Avard Moncur | Bahamas | 47.66 | Q |
| 4 | Sofiène Labidi | Tunisia | 47.80 | q |
| 5 | Periklís Iakovákis | Greece | 47.98 | |
| 6 | Simon Potter | New Zealand | 48.19 | |
| 7 | Henele Taliai | Tonga | 49.63 | |

#### Heat 3

| Rank | Name | Nationality | Time | Notes |
| 1 | Carlos Gachanja | Germany | 47.18 | Q |
| 2 | Obea Moore | United States | 47.23 | Q |
| 3 | Brad Jamieson | Australia | 47.76 | Q |
| 4 | Marco Cagnazzi | Italy | 48.31 | |
| 5 | Aleksey Baryshnikov | Russia | 48.66 | |
| 6 | Emmanuel Rubayiza | Rwanda | 49.58 | |

#### Heat 4

| Rank | Name | Nationality | Time | Notes |
| 1 | Themba Ncube | Zimbabwe | 47.34 | Q |
| 2 | Edel Hevia | Cuba | 47.52 | Q |
| 3 | Paul Ngotho | Kenya | 47.70 | Q |
| 4 | Ryo Fujimori | Japan | 47.91 | |
| 5 | David Wilson | Guam | 48.81 | |
| 6 | Wendell da Silva | Brazil | 48.91 | |
| 7 | David Eichenberger | Switzerland | 50.49 | |

#### Heat 5

| Rank | Name | Nationality | Time | Notes |
| 1 | Piotr Haczek | Poland | 47.11 | Q |
| 2 | Edoardo Vallet | Italy | 47.47 | Q |
| 3 | Casey Vincent | Australia | 47.94 | Q |
| 4 | Chang Po-Chih | Chinese Taipei | 48.16 | |
| 5 | Hyginus Anugho | Nigeria | 48.60 | |
| 6 | André dos Santos | Brazil | 49.31 | |

#### Heat 6

| Rank | Name | Nationality | Time | Notes |
| 1 | Dai Tamesue | Japan | 47.28 | Q |
| 2 | Rohan McDonald | Jamaica | 47.67 | Q |
| 3 | Tommi Hartonen | Finland | 47.76 | Q |
| 4 | Adrián Fernández | Spain | 48.00 | |
| 5 | Kris Stewart | United Kingdom | 48.05 | |
| 6 | Frano Bakaric | Croatia | 48.56 | |

#### Heat 7

| Rank | Name | Nationality | Time | Notes |
| 1 | Jerome Davis | United States | 47.30 | Q |
| 2 | Geoff Dearman | United Kingdom | 47.48 | Q |
| 3 | Chris Jacobs | South Africa | 47.78 | Q |
| 4 | Andrey Tverdostup | Ukraine | 48.08 | |
| 5 | Pierre Constentias | France | 48.25 | |
| 6 | Novian Suhendra | Indonesia | 48.76 | |
| 7 | Yeóryios Ikonomídis | Greece | 49.17 | |

## Participation

According to an unofficial count, 46 athletes from 35 countries participated in the event.
* Argentina (1)
* Australia (2)
* Bahamas (1)
* Brazil (2)
* Canada (1)
* Chinese Taipei (1)
* Croatia (1)
* Cuba (1)
* Finland (1)
* France (1)
* Germany (1)
* Greece (2)
* Guam (1)
* Indonesia (1)
* Italy (2)
* Jamaica (2)
* Japan (2)
* Kenya (1)
* Netherlands Antilles (1)
* New Zealand (1)
* Nigeria (1)
* Poland (2)
* Russia (1)
* Rwanda (1)
* South Africa (2)
* Spain (2)
* Sweden (1)
* Switzerland (1)
* Tonga (1)
* Trinidad and Tobago (1)
* Tunisia (1)
* Ukraine (1)
* United Kingdom (2)
* United States (2)
* Zimbabwe (1)