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Thu Aug 21 8:20am EDT
Thu Aug 21 8:20am EDT
| Rank | Country | Athlete | Time |
|---|---|---|---|
| 1 | Flag of TRI | Keston Bledman Marc Burns Aaron Armstrong Richard Thompson | 38.26* |
| 2 | Flag of JPN | Nobuharu Asahara Naoki Tsukahara Shingo Suetsugu Shinji Takahira | 38.52* |
| 3 | Flag of NED | Maarten Heisen Guus Hoogmoed Patrick van Luijk Caimin Douglas | 38.87* |
| 4 | Flag of BRA | Jose Carlos Moreira Bruno de Barros Vicente Lima Sandro Viana | 39.01* |
| Flag of NGR | Onyeabor Ngwogu Obinna Metu Chinedu Oriala Uchenna Emedolu | DNF | |
| Flag of POL | Dariusz Kuc Marcin Andrzej Nowak Lukasz Chyla Marcin Jedrusinski | DNF | |
| Flag of USA | Rodney Martin Travis Padgett Darvis Patton Tyson Gay | DNF | |
| Flag of RSA | Hannes Dreyer Leigh Julius Ishmael Kumbane Thuso Mpuang | DNF |
Thu Aug 21 8:20am EDT
| Rank | Country | Athlete | Time |
|---|---|---|---|
| 1 | Flag of JAM | Dwight Thomas Michael Frater Nesta Carter Asafa Powell | 38.31* |
| 2 | Flag of CAN | Pierre Browne Hank Palmer Anson Henry Jared Connaughton | 38.77* |
| 3 | Flag of GER | Tobias Benjamin Unger Till Helmke Alexander Kosenkow Martin Keller | 38.93* |
| 4 | Flag of CHN | Yongyi Wen Peimeng Zhang Bin Lu Kai Hu | 39.13* |
| 5 | Flag of THA | Apinan Sukaphai Siriroj Darasuriyong Sompote Suwannarangsri Sittichai Suwonprateep | 39.40 |
| 6 | Flag of FRA | Samuel Coco-Viloin Yannick Lesourd Martial Mbandjock Manuel Reynaert | 39.53 |
| Flag of GBR | Simeon Williamson Tyrone Edgar Marlon Devonish Craig Pickering | DQ | |
| Flag of ITA | Fabio Cerutti Simone Collio Emanuele di Gregorio Jacques Riparelli | DQ |
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| Country | Gold | Silver | Bronze | Total |
|---|---|---|---|---|
| Flag of United States | 7 | 9 | 7 | 23 |
| Flag of Russia | 6 | 5 | 7 | 18 |
| Flag of Kenya | 5 | 5 | 4 | 14 |
| Flag of Jamaica | 6 | 3 | 2 | 11 |
| Flag of Ethiopia | 4 | 1 | 2 | 7 |