# 2010 World Junior Championships in Athletics – Men's 4 × 100 metres relay

The men's 4x100 metres relay event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 23 and 24 July.

## Medalists

| Gold | Michael Granger Charles Silmon Eric Harris Oliver Bradwell United States |
| Silver | Brandon Tomlinson Bernard Brady O'Dean Skeen Dexter Lee Jamaica |
| Bronze | Jamol James Sabian Cox Moriba Morain Shermund Allsop Trinidad and Tobago |

## Results
### Final

24 July
| Rank | Nation | Competitors | Time | Notes |
| | United States | Michael Granger Charles Silmon Eric Harris Oliver Bradwell | 38.93 | |
| | Jamaica | Brandon Tomlinson Bernard Brady O'Dean Skeen Dexter Lee | 39.55 | |
| | Trinidad and Tobago | Jamol James Sabian Cox Moriba Morain Shermund Allsop | 39.72 | |
| 4 | Japan | Takumi Kuki Ryo Onabuta Jun Kimura Shōta Iizuka | 39.89 | |
| 5 | Germany | Roy Schmidt Robin Erewa Florian Hübner Felix Gehne | 39.97 | |
| 6 | Thailand | Jirapong Meenapra Tossaporn Boonhan Weerawat Pharueang Suppachai Chimdee | 40.26 | |
| | Nigeria | Jonathan Nmaju Elvis Ukale Ayobani Oyebiyi Isah Salihu | DQ | IAAF rule 163.3 |
| | United Kingdom | Jordan Huggins Daniel Talbot Henry Tobais Kieran Showler-Davis | DNF | |

### Heats

23 July

#### Heat 1

| Rank | Nation | Competitors | Time | Notes |
| 1 | Jamaica | Dwayne Extol Bernard Brady O'Dean Skeen Dexter Lee | 39.74 | Q |
| 2 | Trinidad and Tobago | Jamol James Sabian Cox Kevin Haynes Shermund Allsop | 39.88 | Q |
| 3 | France | Jean-Pierre Bertrand Jimmy Vicaut Vincent Michalet Jeffrey John | 40.11 | |
| 4 | South Africa | Waide Jooste Wayde Van Niekerk Gideon Trotter Dean Goosen | 40.32 | |
| 5 | Canada | Tyler Macleod Segun Makinde Phillip Hayle Gregory MacNeill | 40.38 | |
| | Czech Republic | Martin Ricar Pavel Maslák Lukáš Haloun Rostislav Navrátil | DNF | |
| | Saudi Arabia | Rashed Al-Huzali Mahmoud Ibrahim Abdullah Al-Asiri Mohamed Sico Ibrahim | DNF | |

#### Heat 2

| Rank | Nation | Competitors | Time | Notes |
| 1 | United States | Michael Granger Charles Silmon Joeal Hotchkins Marvin Bracy | 39.69 | Q |
| 2 | Nigeria | Jonathan Nmaju Elvis Ukale Ayobani Oyebiyi Isah Salihu | 39.95 | Q |
| 3 | Thailand | Jirapong Meenapra Tossaporn Boonhan Weerawat Pharueang Suppachai Chimdee | 40.00 | q |
| 4 | Poland | Mateusz Jędrusik Adam Pawłowski Artur Szczęśniak Grzegorz Zimniewicz | 40.24 | |
| 5 | Belgium | Pieter-Jan Buyens Frederick Claes Pieter De Rycke Julien Watrin | 40.43 | |
| 6 | Bahamas | Trevorvano Mackey Warren Fraser Geno Jones Alfred Higgs | 40.58 | |
| | Australia | Jake Hammond Patrick Fakiye Mathew Turk Tom Gamble | DNF | |

#### Heat 3

| Rank | Nation | Competitors | Time | Notes |
| 1 | Japan | Takumi Kuki Ryo Onabuta Jun Kimura Shōta Iizuka | 40.04 | Q |
| 2 | Germany | Roy Schmidt Robin Erewa Florian Hübner Patrick Kuhn | 40.06 | Q |
| 3 | United Kingdom | Jordan Huggins Sam Watts Henry Tobais Junior Ejehu | 40.07 | q |
| 4 | Brazil | Gustavo dos Santos Jackson da Silva Antônio Rodrigues Caio Cézar dos Santos | 40.56 | |
| 5 | Spain | David Alejandro Alberto Gavaldá Adrián Pérez Eusebio Cáceres | 40.82 | |
| 6 | Zimbabwe | Michael Chiduku Paul Madzivire Narada Jackson Fungai Bvekerwa | 42.21 | |
| 7 | Bahrain | Husain Mohamed Hasan Mohamed Jassim Mohamed Ali Al-Doseri Salman Dawood Al-Balooshi | 42.93 | |

## Participation

According to an unofficial count, 91 athletes from 21 countries participated in the event.
* Australia (4)
* Bahamas (4)
* Bahrain (4)
* Belgium (4)
* Brazil (4)
* Canada (4)
* Czech Republic (4)
* France (4)
* Germany (5)
* Jamaica (5)
* Japan (4)
* Nigeria (4)
* Poland (4)
* Saudi Arabia (4)
* South Africa (4)
* Spain (4)
* Thailand (4)
* Trinidad and Tobago (5)
* United Kingdom (6)
* United States (6)
* Zimbabwe (4)