# 2008 World Junior Championships in Athletics – Men's 400 metres hurdles

The men's 400 metres hurdles event at the 2008 World Junior Championships in Athletics was held in Bydgoszcz, Poland, at Zawisza Stadium on 9, 10 and 11 July.

## Medalists

| Gold | Jeshua Anderson United States |
| Silver | Johnny Dutch United States |
| Bronze | Amaurys Valle Cuba |

## Results
### Final

11 July
| Rank | Name | Nationality | Time |
| | Jeshua Anderson | United States | 48.68 |
| | Johnny Dutch | United States | 49.25 |
| | Amaurys Valle | Cuba | 49.56 |
| 4 | Cornel Fredericks | South Africa | 50.39 |
| 5 | PC Beneke | South Africa | 50.78 |
| 6 | Taras Shcherenko | Israel | 51.35 |
| 7 | John Kituu Wambua | Kenya | 51.70 |
| 8 | David Gollnow | Germany | 53.63 |

### Semifinals

10 July

#### Semifinal 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Johnny Dutch | United States | 50.40 | Q |
| 2 | Amaurys Valle | Cuba | 51.17 | Q |
| 3 | PC Beneke | South Africa | 51.46 | q |
| 4 | David Gollnow | Germany | 51.48 | q |
| 5 | Kohei Tamemoto | Japan | 51.89 | |
| 6 | Valdas Valintelis | Lithuania | 52.07 | |
| 7 | Julius Oletygor | Kenya | 52.14 | |
| 8 | Emanuel Mayers | Trinidad and Tobago | 52.39 | |

#### Semifinal 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Jeshua Anderson | United States | 49.90 | Q |
| 2 | Taras Shcherenko | Israel | 51.60 | Q |
| 3 | Giacomo Panizza | Italy | 51.73 | |
| 4 | Sebastian Knorr | Germany | 52.31 | |
| 5 | Leslie Murray | U.S. Virgin Islands | 52.51 | |
| 6 | Adel Al-Nasser | Saudi Arabia | 52.60 | |
| 7 | Shane Brathwaite | Barbados | 53.09 | |
| | Nikita Andriyanov | Russia | DNS | |

#### Semifinal 3

| Rank | Name | Nationality | Time | Notes |
| 1 | Cornel Fredericks | South Africa | 51.11 | Q |
| 2 | John Kituu Wambua | Kenya | 51.51 | Q |
| 3 | Tomoharu Kino | Japan | 51.96 | |
| 4 | Michał Pietrzak | Poland | 52.22 | |
| 5 | Jehue Gordon | Trinidad and Tobago | 52.26 | |
| 6 | Jassim Waleed Al-Mas | Kuwait | 53.05 | |
| 7 | Silvestras Guogis | Lithuania | 53.46 | |
| | Artyom Dyatlov | Uzbekistan | DQ | IAAF rule 163.3 |

### Heats

9 July

#### Heat 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Jeshua Anderson | United States | 51.12 | Q |
| 2 | Taras Shcherenko | Israel | 51.44 | Q |
| 3 | Shane Brathwaite | Barbados | 51.66 | Q |
| 4 | Jehue Gordon | Trinidad and Tobago | 52.30 | q |
| 5 | Jassim Waleed Al-Mas | Kuwait | 52.43 | q |
| 6 | Driss Sassi | Tunisia | 53.97 | |
| 7 | Victor Valentin | Puerto Rico | 54.05 | |
| 8 | Stephan Ender | Austria | 54.55 | |

#### Heat 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Tomoharu Kino | Japan | 51.77 | Q |
| 2 | John Kituu Wambua | Kenya | 52.02 | Q |
| 3 | Valdas Valintelis | Lithuania | 52.83 | Q |
| 4 | Hamada Al-Bishi | Saudi Arabia | 53.61 | |
| 5 | Tomasz Baranowski | Poland | 53.85 | |
| 6 | Jithin Paul | India | 54.01 | |
| 7 | René Claudio | Puerto Rico | 54.51 | |
| 8 | Chen Yu-Te | Chinese Taipei | 55.57 | |

#### Heat 3

| Rank | Name | Nationality | Time | Notes |
| 1 | Johnny Dutch | United States | 52.21 | Q |
| 2 | David Gollnow | Germany | 52.34 | Q |
| 3 | Silvestras Guogis | Lithuania | 52.48 | Q |
| 4 | Julius Oletygor | Kenya | 52.54 | q |
| 5 | Fahad Faraj | Kuwait | 53.40 | |
| 6 | Aleksandr Korovka | Ukraine | 53.94 | |
| 7 | Nejmi Burnside | Bahamas | 55.21 | |

#### Heat 4

| Rank | Name | Nationality | Time | Notes |
| 1 | Amaurys Valle | Cuba | 51.67 | Q |
| 2 | Cornel Fredericks | South Africa | 51.96 | Q |
| 3 | Kohei Tamemoto | Japan | 52.05 | Q |
| 4 | Nikita Andriyanov | Russia | 52.14 | q |
| 5 | Emanuel Mayers | Trinidad and Tobago | 52.29 | q |
| 6 | Leslie Murray | U.S. Virgin Islands | 52.64 | q |
| 7 | Tibor Koroknai | Hungary | 53.33 | |
| 8 | Kenneth Karosich | Guam | 58.36 | |

#### Heat 5

| Rank | Name | Nationality | Time | Notes |
| 1 | Michał Pietrzak | Poland | 51.89 | Q |
| 2 | PC Beneke | South Africa | 51.90 | Q |
| 3 | Artyom Dyatlov | Uzbekistan | 52.62 | Q |
| 4 | Hugo Grillas | France | 52.98 | |
| 5 | Nathan Woodward | United Kingdom | 53.42 | |
| 6 | Faysal Mehdioui | Algeria | 54.41 | |
| 7 | Shejil Varghese | India | 54.48 | |
| 8 | Fernando Semedo | Cape Verde | 61.09 | |

#### Heat 6

| Rank | Name | Nationality | Time | Notes |
| 1 | Giacomo Panizza | Italy | 52.77 | Q |
| 2 | Adel Al-Nasser | Saudi Arabia | 52.84 | Q |
| 3 | Sebastian Knorr | Germany | 53.25 | Q |
| 4 | Lyes Bouzid | Algeria | 54.10 | |
| 5 | Jeffery Gibson | Bahamas | 54.37 | |
| 6 | Shih Yu-Fan | Chinese Taipei | 55.43 | |
| 7 | Wilmer Valor | Venezuela | 59.26 | |

## Participation

According to an unofficial count, 46 athletes from 31 countries participated in the event.
* Algeria (2)
* Austria (1)
* Bahamas (2)
* Barbados (1)
* Cape Verde (1)
* Chinese Taipei (2)
* Cuba (1)
* France (1)
* Germany (2)
* Guam (1)
* Hungary (1)
* India (2)
* Israel (1)
* Italy (1)
* Japan (2)
* Kenya (2)
* Kuwait (2)
* Lithuania (2)
* Poland (2)
* Puerto Rico (2)
* Russia (1)
* Saudi Arabia (2)
* South Africa (2)
* Trinidad and Tobago (2)
* Tunisia (1)
* Ukraine (1)
* United Kingdom (1)
* United States (2)
* U.S. Virgin Islands (1)
* Uzbekistan (1)
* Venezuela (1)