| Final 21:30 | time | | L | _____________ | | 1. United States |  | 2:58.71 | WL | 5 | | | David Verburg, Tony McQuay, Arman Hall, LaShawn Merritt | | 2. Jamaica |  | 2:59.88 | SB | 4 | | | Rusheen McDonald, Edino Steele, Omar Johnson, Javon Francis | | 3. Russia |  | 2:59.90 | SB | 6 | | | Maksim Dyldin, Lev Mosin, Sergey Petukhov, Vladimir Krasnov | | 4. Great Britain & NI |  | 3:00.88 | | 7 | | | Conrad Williams, Martyn Rooney, Michael Bingham, Nigel Levine | | 5. Belgium |  | 3:01.02 | | 1 | | | Jonathan Borlée, Kévin Borlée, Dylan Borlée, Will Oyowe | | 6. Trinidad and Tobago |  | 3:01.74 | | 3 | | | Renny Quow, Lalonde Gordon, Jehue Gordon, Jarrin Solomon | | 7. Brazil |  | 3:02.19 | | 2 | | | Pedro Luiz de Oliveira, Wagner Cardoso, Anderson Henriques, Hugo de Sousa | | 8. Australia |  | 3:02.26 | SB | 8 | | | Steven Solomon, Alexander Beck, Craig Burns, Tristan Thomas |
Heats - Thursday 15.08 - First 2 and Best 2 progress. |
| Heat 1.19:05 | time | | L | Rk. | | 1. Jamaica | JAM | 3:00.41 | WL | 5 | 2. | | 2. Great Britain & NI | GBR | 3:00.50 | | 2 | 4. | | 3. Venezuela |  VEN | 3:02.04 | SB | 6 | 9. | | 4. Japan |  JPN | 3:02.43 | SB | 7 | 10. | | 5. Dominicana |  DOM | 3:03.61 | | 8 | 14. | | 6. Spain |  ESP | 3:04.07 | SB | 3 | 16 | | 7. Nigeria |  NGR | 3:04.52 | | 1 | 18 | | 8. Botswana |  BOT | 3:05.74 | SB | 4 | 22. |
| Heat 2.19:15 | time | | L | Rk. | | 1. United States | USA | 2:59.85 | WL | 4 | 1. | | 2. Trinidad Tobago | TRI | 3:00.48 | SB | 7 | 3. | | 3. Belgium | BEL | 3:00.81 | SB | 5 | 5. | | 4. Brazil | BRA | 3:01.09 | SB | 8 | 6. | | 5. Poland |  POL | 3:01.73 | SB | 3 | 7. | | 6. Ukraine |  UKR | 3:04.98 | SB | 6 | 21. | | 7. Kenya |  KEN | 3:06.29 | SB | 1 | 23. | | 8. Sri Lanka |  SRI | 3:06.59 | | 2 | 24. |
| Heat 3.19:25 | time | | L | Rk. | | 1. Russia | RUS | 3:01.81 | SB | 6 | 8. | | 2. Australia | AUS | 3:02.48 | SB | 3 | 11. | | 3. Germany |  GER | 3:02.62 | SB | 2 | 12. | | 4. Bahamas |  BAH | 3:02.67 | | 7 | 13. | | 5. Italy |  ITA | 3:03.88 | SB | 1 | 15. | | 6. Cuba |  CUB | 3:04.26 | | 4 | 17. | | 7. Czechia |  CZE | 3:04.54 | SB | 5 | 19. | | 8. Saudi Arabia |  KSA | 3:04.55 | | 8 | 20. |
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