# 2011 World Youth Championships in Athletics – Boys' 400 metres hurdles

The boys' 400 metres hurdles at the 2011 World Youth Championships in Athletics was held at the Stadium Lille Métropole on 6, 7 and 9 July.

## Medalists

| Gold | Silver | Bronze |
| Egor Kuznetsov Russia | Ibrahim Mohammed Saleh Saudi Arabia | Takahiro Matsumoto Japan |

## Records

Prior to the competition, the following records were as follows.
| World Youth Best | William Wynne (USA) | 49.01 | Ostrava, Czech Republic | 15 July 2007 |
| Championship Record | William Wynne (USA) | 49.01 | Ostrava, Czech Republic | 15 July 2007 |
| World Youth Leading | Christiaan Mouton (RSA) | 51.24 | Paarl, South Africa | 12 March 2011 |
During the competition, Egor Kuznetsov lowered the world youth leading to 50.97.

## Heats

Qualification rule: first 3 of each heat (Q) plus the 6 fastest times (q) qualified.

### Heat 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | Yahya Ibrahim Barnawi | Saudi Arabia | 51.93 | Q, PB |
| 2 | 4 | Jonathan Russell | United States | 51.94 | Q, PB |
| 3 | 2 | Ken Kirui Tele | Kenya | 52.58 | Q, PB |
| 4 | 5 | Riadh Sayeh | Tunisia | 53.09 | q |
| 5 | 7 | Gerald Drummond | Costa Rica | 53.22 | q, PB |
| 6 | 6 | Timothee Yap Jin Wei | Singapore | 54.55 | PB |
| 7 | 1 | Roman Olejník | Slovakia | 55.77 | |

### Heat 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Durgesh Kumar | India | 52.22 | Q |
| 2 | 7 | Chiebonam Mba | Nigeria | 53.47 | Q, PB |
| 3 | 3 | Mattia Contini | Italy | 53.88 | Q |
| 4 | 1 | Oleksiy Matskevych | Ukraine | 53.92 | q |
| 5 | 2 | Johan Nicolai Hartling | Denmark | 54.24 | PB |
| 6 | 6 | Jordan Sherwood | Canada | 55.54 | |
| 7 | 4 | Ali Mohammed | Kuwait | 55.63 | |

### Heat 3

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | Egor Kuznetsov | Russia | 52.74 | Q |
| 2 | 5 | Kion Joseph | Barbados | 53.57 | Q |
| 3 | 7 | Mustafa Amer Shaheen | Iraq | 53.78 | Q, PB |
| 4 | 1 | Clément François | France | 54.26 | |
| 5 | 4 | Cristian Rosa | Portugal | 55.00 | PB |
| 6 | 3 | Han Se-hyun | South Korea | 57.64 | |
| 7 | 2 | Ouadie El Ouazzani | Morocco | 58.15 | |

### Heat 4

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | Shota Madokoro | Japan | 53.46 | Q, PB |
| 2 | 2 | Christiaan Mouton | South Africa | 53.52 | Q |
| 3 | 4 | Nimet Sen | Turkey | 53.93 | Q |
| 4 | 5 | Sten Ütsmüts | Estonia | 54.84 | PB |
| 5 | 1 | Carlos Tabara | Ecuador | 56.28 | |
| 6 | 7 | Azim Abdullaev | Tajikistan | 56.94 | SB |
| 7 | 6 | Omar Abdulla Al Jassim | Qatar | 57.24 | |

### Heat 5

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 8 | Ramfis Vega | Puerto Rico | 52.57 | Q, PB |
| 2 | 2 | Takahiro Matsumoto | Japan | 53.42 | Q, PB |
| 3 | 4 | Tramaine Maloney | Barbados | 53.53 | Q, SB |
| 4 | 5 | Ali Khamis | Bahrain | 54.27 | PB |
| 5 | 6 | Lahiru Jumani | Sri Lanka | 54.42 | |
| 6 | 7 | Christian Lozada | Ecuador | 54.69 | |
| 7 | 1 | Juan Antonio Moraques | Spain | 54.78 | |
| - | 3 | Sid-Ali Khedim | Algeria | DNF | |

### Heat 6

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | Ibrahim Mohammed Saleh | Saudi Arabia | 51.71 | Q, PB |
| 2 | 2 | Omar McLeod | Jamaica | 51.74 | Q, PB |
| 3 | 4 | Constant Pretorius | South Africa | 52.30 | Q |
| 4 | 1 | Dylan Dimock | Canada | 52.76 | q, PB |
| 5 | 6 | Markus Loftås | Norway | 53.22 | q, PB |
| 6 | 5 | Jean Lindsay Emilien | Mauritius | 53.90 | q, PB |
| 7 | 3 | Kenzi Yedjedd | Algeria | 56.03 | |

## Semifinals

Qualification rule: first 2 of each heat (Q) plus the 2 fastest times (q) qualified.

### Heat 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Takahiro Matsumoto | Japan | 52.20 | Q, PB |
| 2 | 5 | Ramfis Vega | Puerto Rico | 52.42 | Q, PB |
| 3 | 3 | Durgesh Kumar | India | 52.96 | |
| 4 | 6 | Chiebonam Mba | Nigeria | 53.13 | PB |
| 5 | 8 | Tramaine Maloney | Barbados | 53.26 | SB |
| 6 | 7 | Mustafa Amer Shaheen | Iraq | 53.67 | PB |
| 7 | 2 | Markus Loftås | Norway | 54.10 | |
| 8 | 1 | Gerald Drummond | Costa Rica | 54.65 | |

### Heat 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 8 | Constant Pretorius | South Africa | 51.57 | Q, PB |
| 2 | 5 | Ibrahim Mohammed Saleh | Saudi Arabia | 51.59 | Q, PB |
| 3 | 3 | Shota Madokoro | Japan | 51.72 | q, PB |
| 4 | 6 | Omar McLeod | Jamaica | 51.91 | q |
| 5 | 4 | Kion Joseph | Barbados | 52.77 | PB |
| 6 | 1 | Dylan Dimock | Canada | 53.40 | |
| 7 | 7 | Nimet Sen | Turkey | 53.79 | |
| 8 | 2 | Oleksiy Matskevych | Ukraine | 54.09 | PB |

### Heat 3

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | Egor Kuznetsov | Russia | 51.31 | Q, PB |
| 2 | 7 | Ken Kirui Tele | Kenya | 51.92 | Q, PB |
| 3 | 3 | Jonathan Russell | United States | 52.06 | |
| 4 | 1 | Riadh Sayeh | Tunisia | 52.18 | PB |
| 5 | 5 | Yahya Ibrahim Barnawi | Saudi Arabia | 52.48 | |
| 6 | 4 | Christiaan Mouton | South Africa | 52.54 | |
| 7 | 8 | Mattia Contini | Italy | 53.75 | |
| 8 | 2 | Jean Lindsay Emilien | Mauritius | 53.88 | PB |

## Final

| Rank | Lane | Name | Nationality | Time | Notes |
| | 3 | Egor Kuznetsov | Russia | 50.97 | WYL |
| | 5 | Ibrahim Mohammed Saleh | Saudi Arabia | 51.14 | PB |
| | 4 | Takahiro Matsumoto | Japan | 51.26 | PB |
| 4 | 8 | Ken Kirui Tele | Kenya | 51.33 | PB |
| 5 | 6 | Constant Pretorius | South Africa | 51.34 | PB |
| 6 | 7 | Ramfis Vega | Puerto Rico | 51.50 | PB |
| 7 | 1 | Shota Madokoro | Japan | 51.77 | |
| 8 | 2 | Omar McLeod | Jamaica | 52.82 | |