2011 World Championships in Athletics – Men's 400 metres hurdles
# 2011 World Championships in Athletics – Men's 400 metres hurdles

The Men's 400 metres hurdles event at the 2011 World Championships in Athletics was held at the Daegu Stadium on August 29, 30 and September 1.

In the final, Angelo Taylor in lane 1 and L. J. van Zyl in lane 8 bookended the field going out fast into the lead. As they were completing the final turn, Taylor faltered and started hitting hurdles while Javier Culson powered into the lead. Both van Zyl and Culson slowed going into the final hurdle while David Greene cleared the hurdle with full momentum, cruising past the others to take the gold medal.

## Medalists

| Gold | Silver | Bronze |
| - | - | - |
| Dai Greene Great Britain & N.I. (GBR) | Javier Culson Puerto Rico (PUR) | L. J. van Zyl South Africa (RSA) |

## Records

| World record | Kevin Young (USA) | 46.78 | Barcelona, Spain | 6 August 1992 |
| - | - | - | - | - |
| Championship record | Kevin Young (USA) | 47.18 | Stuttgart, Germany | 19 August 1993 |
| World leading | Louis van Zyl (RSA) | 47.66 | Pretoria, South Africa | 25 February 2011 |
| World leading | Louis van Zyl (RSA) | 47.66 | Ostrava, Czech Republic | 31 May 2011 |
| African record | Samuel Matete (ZAM) | 47.10 | Zürich, Switzerland | 7 August 1991 |
| Asian record | Hadi Soua'an Al-Somaily (KSA) | 47.53 | Sydney, Australia | 27 September 2000 |
| North, Central American and Caribbean record | Kevin Young (USA) | 46.78 | Barcelona, Spain | 6 August 1992 |
| South American record | Bayano Kamani (PAN) | 47.84 | Helsinki, Finland | 7 August 2005 |
| European record | Stéphane Diagana (FRA) | 47.37 | Lausanne, Switzerland | 5 July 1995 |
| Oceanian record | Rohan Robinson (AUS) | 48.28 | Atlanta, Georgia, United States | 31 July 1996 |

## Qualification standards

| A time | B time |
| - | - |
| 49.40 | 49.80 |

## Schedule

| Date | Time | Round |
| - | - | - |
| August 29, 2011 | 11:30 | Heats |
| August 30, 2011 | 19:30 | Heats |
| September 1, 2011 | 21:30 | Final |

## Results

| KEY: | q | Fastest non-qualifiers | Q | Qualified | NR | National record | PB | Personal best | SB | Seasonal best |
| - | - | - | - | - | - | - | - | - | - | - |

### Heats

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

| Rank | Heat | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| 1 | 1 | David Greene | Great Britain & N.I. (GBR) | 48.52 | Q |
| 1 | 1 | Cornel Fredericks | South Africa (RSA) | 48.52 | Q |
| 3 | 2 | L. J. van Zyl | South Africa (RSA) | 48.58 | Q |
| 4 | 2 | Isa Phillips | Jamaica (JAM) | 48.64 | Q, SB |
| 5 | 1 | Georg Fleischhauer | Germany (GER) | 48.72 | Q, PB |
| 6 | 2 | Félix Sánchez | Dominican Republic (DOM) | 48.74 | Q, SB |
| 7 | 5 | Jeshua Anderson | United States (USA) | 48.81 | Q |
| 8 | 2 | Kerron Clement | United States (USA) | 48.91 | Q |
| 9 | 3 | Javier Culson | Puerto Rico (PUR) | 48.95 | Q |
| 10 | 5 | Nathan Woodward | Great Britain & N.I. (GBR) | 49.06 | Q |
| 11 | 5 | Stanislav Melnykov | Ukraine (UKR) | 49.24 | Q, SB |
| 12 | 3 | Angelo Taylor | United States (USA) | 49.38 | Q |
| 13 | 3 | Aleksandr Derevyagin | Russia (RUS) | 49.43 | Q, SB |
| 14 | 5 | Leford Green | Jamaica (JAM) | 49.45 | Q |
| 15 | 3 | Andrés Silva | Uruguay (URU) | 49.48 | Q |
| 16 | 2 | Vincent Kiplangat Kosgei | Kenya (KEN) | 49.49 | q, SB |
| 17 | 3 | Takayuki Kishimoto | Japan (JPN) | 49.51 | q |
| 18 | 1 | Emir Bekrić | Serbia (SRB) | 49.67 | Q |
| 19 | 1 | Omar Cisneros | Cuba (CUB) | 49.69 | q |
| 20 | 1 | Mahau Suguimati | Brazil (BRA) | 49.74 | q |
| 21 | 4 | Bershawn Jackson | United States (USA) | 49.82 | Q |
| 22 | 2 | Jorge Paula | Portugal (POR) | 49.82 | |
| 23 | 5 | Kurt Couto | Mozambique (MOZ) | 49.86 | |
| 24 | 4 | Jehue Gordon | Trinidad and Tobago (TTO) | 49.90 | Q |
| 25 | 2 | Jamele Mason | Puerto Rico (PUR) | 49.98 | |
| 26 | 4 | Josef Robertson | Jamaica (JAM) | 50.29 | Q |
| 27 | 4 | Jack Green | Great Britain & N.I. (GBR) | 50.39 | Q |
| 28 | 3 | Li Zhilong | China (CHN) | 50.44 | |
| 29 | 4 | Cheng Wen | China (CHN) | 50.51 | |
| 30 | 5 | Yuta Imazeki | Japan (JPN) | 50.92 | |
| 31 | 5 | Jean Antonio Vieillesse | Mauritius (MRI) | 51.02 | |
| 32 | 4 | Kenneth Medwood | Belize (BIZ) | 51.19 | |
| 33 | 4 | Takatoshi Abe | Japan (JPN) | 51.90 | |
| 34 | 3 | Lee Seung-yun | South Korea (KOR) | 52.98 | |

### Semifinals

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

| Rank | Heat | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| 1 | 1 | Javier Culson | Puerto Rico (PUR) | 48.52 | Q |
| 2 | 2 | David Greene | Great Britain & N.I. (GBR) | 48.62 | Q |
| 3 | 3 | Bershawn Jackson | United States (USA) | 48.80 | Q |
| 4 | 1 | Cornel Fredericks | South Africa (RSA) | 48.83 | Q |
| 5 | 1 | Angelo Taylor | United States (USA) | 48.86 | q |
| 6 | 2 | Félix Sánchez | Dominican Republic (DOM) | 49.01 | Q |
| 7 | 3 | L. J. van Zyl | South Africa (RSA) | 49.05 | Q |
| 8 | 3 | Aleksandr Derevyagin | Russia (RUS) | 49.07 | q, SB |
| 9 | 2 | Jehue Gordon | Trinidad and Tobago (TTO) | 49.08 | |
| 10 | 2 | Isa Phillips | Jamaica (JAM) | 49.16 | |
| 11 | 3 | Leford Green | Jamaica (JAM) | 49.29 | |
| 12 | 1 | Jeshua Anderson | United States (USA) | 49.33 | |
| 13 | 3 | Georg Fleischhauer | Germany (GER) | 49.36 | |
| 14 | 3 | Nathan Woodward | Great Britain & N.I. (GBR) | 49.57 | |
| 15 | 1 | Jack Green | Great Britain & N.I. (GBR) | 49.62 | |
| 16 | 2 | Andrés Silva | Uruguay (URU) | 49.63 | |
| 17 | 3 | Vincent Kiplangat Kosgei | Kenya (KEN) | 49.71 | |
| 18 | 1 | Stanislav Melnykov | Ukraine (UKR) | 49.74 | |
| 19 | 2 | Emir Bekrić | Serbia (SRB) | 49.94 | |
| 20 | 1 | Takayuki Kishimoto | Japan (JPN) | 50.05 | |
| 21 | 3 | Omar Cisneros | Cuba (CUB) | 50.10 | |
| 22 | 1 | Josef Robertson | Jamaica (JAM) | 50.39 | |
| 23 | 2 | Mahau Suguimati | Brazil (BRA) | 50.89 | |
| 24 | 2 | Kerron Clement | United States (USA) | 52.11 | |

### Final

| Rank | Name | Nationality | Time |
| - | - | - | - |
| | David Greene | Great Britain & N.I. (GBR) | 48.26 |
| | Javier Culson | Puerto Rico (PUR) | 48.44 |
| | L. J. van Zyl | South Africa (RSA) | 48.80 |
| 4 | Félix Sánchez | Dominican Republic (DOM) | 48.87 |
| 5 | Cornel Fredericks | South Africa (RSA) | 49.12 |
| 6 | Bershawn Jackson | United States (USA) | 49.24 |
| 7 | Angelo Taylor | United States (USA) | 49.31 |
| 8 | Aleksandr Derevyagin | Russia (RUS) | 49.32 |
