# 2010 World Junior Championships in Athletics – Men's 200 metres

The men's 200 metres event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 22 and 23 July.

## Medalists

| Gold | Shōta Iizuka Japan |
| Silver | Aliaksandr Linnik Belarus |
| Bronze | Aaron Brown Canada |

## Results
### Final

23 July Wind: +0.5 m/s
| Rank | Name | Nationality | Time |
| | Shōta Iizuka | Japan | 20.67 |
| | Aliaksandr Linnik | Belarus | 20.89 |
| | Aaron Brown | Canada | 21.00 |
| 4 | Wayde Van Niekerk | South Africa | 21.02 |
| 5 | Robin Erewa | Germany | 21.09 |
| 6 | Moriba Morain | Trinidad and Tobago | 21.10 |
| 7 | Pavel Maslák | Czech Republic | 21.13 |
| 8 | Mateusz Biegajlo | Poland | 21.47 |

### Semifinals

22 July

#### Semifinal 1

Wind: +2.1 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Wayde Van Niekerk | South Africa | 21.05 w | Q |
| 2 | Aaron Brown | Canada | 21.12 w | Q |
| 3 | Oliver Bradwell | United States | 21.12 w | |
| 4 | Daniel Talbot | United Kingdom | 21.19 w | |
| 5 | Roy Schmidt | Germany | 21.25 w | |
| 6 | Mathew Turk | Australia | 21.28 w | |
| 7 | Jun Kimura | Japan | 21.53 w | |
| | Jackson da Silva | Brazil | DQ | IAAF rule 162.7 |

#### Semifinal 2

Wind: +2.0 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Aliaksandr Linnik | Belarus | 20.81 | Q |
| 2 | Moriba Morain | Trinidad and Tobago | 21.03 | Q |
| 3 | Mateusz Biegajlo | Poland | 21.08 | q |
| 4 | Robin Erewa | Germany | 21.08 | q |
| 5 | Suppachai Chimdee | Thailand | 21.11 | |
| 6 | Kieran Showler-Davis | United Kingdom | 21.18 | |
| 7 | Trevorvano Mackey | Bahamas | 21.71 | |
| | Bruno Hortelano | Spain | DNS | |

#### Semifinal 3

Wind: +2.3 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Shōta Iizuka | Japan | 20.93 w | Q |
| 2 | Pavel Maslák | Czech Republic | 21.07 w | Q |
| 3 | Julien Watrin | Belgium | 21.12 w | |
| 4 | Segun Makinde | Canada | 21.13 w | |
| 5 | Eric Harris | United States | 21.23 w | |
| 6 | Jake Hammond | Australia | 21.28 w | |
| 7 | Remigiusz Olszewski | Poland | 21.31 w | |
| 8 | Arturo Ramírez | Venezuela | 21.80 w | |

### Heats

22 July

#### Heat 1

Wind: +0.2 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Wayde Van Niekerk | South Africa | 21.10 | Q |
| 2 | Eric Harris | United States | 21.22 | Q |
| 3 | Jake Hammond | Australia | 21.37 | Q |
| 4 | Arturo Ramírez | Venezuela | 21.56 | q |
| 5 | Antônio Rodrigues | Brazil | 21.60 | |
| 6 | Bruno Fernandes | Portugal | 21.80 | |
| 7 | Jonathan Nmaju | Nigeria | 21.82 | |
| 8 | Carlos Sullivan | Puerto Rico | 21.96 | |

#### Heat 2

Wind: +0.7 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Shōta Iizuka | Japan | 21.13 | Q |
| 2 | Mateusz Biegajlo | Poland | 21.23 | Q |
| 3 | Segun Makinde | Canada | 21.43 | Q |
| 4 | Delano Williams | Turks and Caicos Islands | 21.56 | |
| 5 | Alessandro Pedrazzoli | Italy | 21.75 | |
| 6 | Shekeim Greaves | Barbados | 21.77 | |
| 7 | Adolphe Ehui | Côte d'Ivoire | 74.03 | |
| | Joseph Suberan | Cayman Islands | DNF | |

#### Heat 3

Wind: +0.7 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Roy Schmidt | Germany | 21.21 | Q |
| 2 | Pavel Maslák | Czech Republic | 21.31 | Q |
| 3 | Kieran Showler-Davis | United Kingdom | 21.38 | Q |
| 4 | Remigiusz Olszewski | Poland | 21.42 | q |
| 5 | Vadim Grigoryev | Russia | 21.92 | |
| 6 | Mohamed Jassim Mohamed | Bahrain | 22.11 | |
| 7 | Mohamed Al-Jumaah | Iraq | 22.15 | |
| 8 | John Rivan | Papua New Guinea | 22.54 | |

#### Heat 4

Wind: +0.5 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Robin Erewa | Germany | 21.14 | Q |
| 2 | Mathew Turk | Australia | 21.44 | Q |
| 3 | Jackson da Silva | Brazil | 21.73 | Q |
| 4 | Joseph Millar | New Zealand | 21.80 | |
| 5 | Sean De Klerk | South Africa | 22.14 | |
| | Dexter Lee | Jamaica | DQ | IAAF rule 162.7 |
| | Hensley Paulina | Netherlands Antilles | DQ | IAAF rule 162.7 |
| | Jeffrey John | France | DQ | IAAF rule 162.7 |

#### Heat 5

Wind: +0.9 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Aliaksandr Linnik | Belarus | 21.14 | Q |
| 2 | Moriba Morain | Trinidad and Tobago | 21.30 | Q |
| 3 | Daniel Talbot | United Kingdom | 21.36 | Q |
| 4 | Oliver Bradwell | United States | 21.42 | q |
| 5 | Jun Kimura | Japan | 21.52 | q |
| 6 | Lorenzo Valentini | Italy | 21.60 | |
| 7 | Jossuah Brena | France | 22.15 | |
| 8 | Laron Hield | Bahamas | 22.15 | |

#### Heat 6

Wind: +0.3 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Julien Watrin | Belgium | 21.18 | Q |
| 2 | Aaron Brown | Canada | 21.21 | Q |
| 3 | Suppachai Chimdee | Thailand | 21.39 | Q |
| 4 | Trevorvano Mackey | Bahamas | 21.42 | q |
| 5 | Bruno Hortelano | Spain | 21.51 | q |
| 6 | Jeneko Place | Bermuda | 22.07 | |
| 7 | Sin Jin-Suk | South Korea | 22.27 | |

## Participation

According to an unofficial count, 47 athletes from 35 countries participated in the event.
* Australia (2)
* Bahamas (2)
* Bahrain (1)
* Barbados (1)
* Belarus (1)
* Belgium (1)
* Bermuda (1)
* Brazil (2)
* Canada (2)
* Cayman Islands (1)
* Côte d'Ivoire (1)
* Czech Republic (1)
* France (2)
* Germany (2)
* Iraq (1)
* Italy (2)
* Jamaica (1)
* Japan (2)
* Netherlands Antilles (1)
* New Zealand (1)
* Nigeria (1)
* Papua New Guinea (1)
* Poland (2)
* Portugal (1)
* Puerto Rico (1)
* Russia (1)
* South Africa (2)
* South Korea (1)
* Spain (1)
* Thailand (1)
* Trinidad and Tobago (1)
* Turks and Caicos Islands (1)
* United Kingdom (2)
* United States (2)
* Venezuela (1)