| Final 16.08 10:10 | Team | time | L | Rk. | | 1. Michael Phelps | USA | 50.58s | 5 | 2. 2. | | 2. Milorad Cavic | SRB | 50.59s | 4 | 1. 1. | | 3. Andrew Lauterstein | AUS | 51.12s | 3 | 3. 6. | | 4. Ian Crocker | USA | 51.13s | 6 | 3. 13. | | 5. Jason Dunford | KEN | 51.47s | 2 | 4. 5. | | 6. Takuro Fujii | JPN | 51.50s | 1 | 7. 7. | | 7. Andrii Serdinov | UKR | 51.59s | 7 | 3. 6. | | 8. Ryan Pini | PNG | 51.86s | 8 | 8. 14. |
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| Semi 1 15.08 10:26 | Team | time | L | Rk. | | 1. Michael Phelps | USA | 50.97s | 4 | 2. | | 2. Andrew Lauterstein | AUS | 51.27s | 3 | 3. | | 3. Jason Dunford | KEN | 51.33s | 5 | 5. | | 4. Ryan Pini | PNG | 51.62s | 1 | 8. | | 5. Feng Shi | CHN | 51.68s | 7 | 9. | | 6. Albert Subirats Altes | VEN | 51.82s | 6 | 11. | | 7. Sergii Breus | UKR | 52.05s | 2 | 13. | | 8. Kaio Almeida | BRA | 52.32s | 8 | 15. |
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| Semi 2 15.08 10:30 | Team | time | L | Rk. | | 1. Milorad Cavic | SRB | 50.92s | 4 | 1. | | 2. Ian Crocker | USA | 51.27s | 1 | 3. | | 3. Andrii Serdinov | UKR | 51.41s | 5 | 6. | | 4. Takuro Fujii | JPN | 51.59s | 6 | 7. | | 5. Peter Mankoc | SLO | 51.80s | 3 | 10. | | 6. Corney Swanepoel | NZL | 52.01s | 2 | 12. | | 7. Lyndon Ferns | RSA | 52.18s | 8 | 14. | | 8. Frederick Bousquet | FRA | 52.94s | 7 | 16. |
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| Heat 9 14.08 20:19 | Team | time | L | Rk. | | 1. Milorad Cavic | SRB | 50.76s | 5 | 1. | | 2. Michael Phelps | USA | 50.87s | 4 | 2. | | 3. Andrii Serdinov | UKR | 51.10s | 7 | 3. | | 4. Peter Mankoc | SLO | 51.24s | 2 | 5. | | 5. Kaio Almeida | BRA | 52.05s | 6 | 16. | | 6. Robin van Aggele | NED | 52.26s | 1 | 20. | | 7. Masayuki Kishida | JPN | 52.45s | 3 | 26. | | 8. Benjamin Starke | GER | 53.50s | 8 | 41. |
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| Heat 8 14.08 20:16 | Team | time | L | Rk. | | 1. Albert Subirats Altes | VEN | 51.71s | 5 | 8. | | 2. Corney Swanepoel | NZL | 51.78s | 1 | 9. | | 3. Ian Crocker | USA | 51.95s | 4 | 13. | | 4. Adam Pine | AUS | 52.07s | 7 | 17. | | 5. Gabriel Mangabeira | BRA | 52.28s | 6 | 23. | | 6. Evgeny Korotyshkin | RUS | 52.30s | 3 | 24. | | 7. Rafael Munoz | ESP | 52.53s | 2 | 30. | | 8. Christophe Lebon | FRA | 52.56s | 8 | 31. |
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| Heat 7 14.08 20:14 | Team | time | L | Rk. | | 1. Jason Dunford | KEN | 51.14s | 5 | 4. | | 2. Andrew Lauterstein | AUS | 51.37s | 3 | 6. | | 3. Takuro Fujii | JPN | 51.50s | 7 | 7. | | 4. Frederick Bousquet | FRA | 51.83s | 4 | 11. | | 5. Ryan Pini | PNG | 52.00s | 2 | 14. | | 6. Nikolay Skvortsov | RUS | 52.26s | 1 | 20. | | 7. Joe Bartoch | CAN | 52.90s | 8 | 34. | | 8. Thomas Rupprath | GER | 53.56s | 6 | 44. |
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| Heat 6 14.08 20:11 | Team | time | L | Rk. | | 1. Sergii Breus | UKR | 51.82s | 2 | 10. | | 2. Feng Shi | CHN | 51.87s | 8 | 12. | | 3. Lars Frolander | SWE | 52.15s | 6 | 18. | | 4. Michael Rock | GBR | 52.48s | 4 | 27. | | 5. Todd Cooper | GBR | 52.52s | 5 | 29. | | 6. Moss Burmester | NZL | 52.67s | 3 | 32. | | 7. Octavio Andres Alesi Gonzalez | VEN | 53.58s | 7 | 45. | | 8. Alexei Puninski | CRO | 53.65s | 1 | 47. |
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| Heat 5 14.08 20:08 | Team | time | L | Rk. | | 1. Lyndon Ferns | RSA | 52.04s | 3 | 15. | | 2. Mario Todorovic | CRO | 52.26s | 5 | 22. | | 3. Simao Morgado | POR | 52.80s | 1 | 33. | | 4. Francois Heersbrandt | BEL | 53.33s | 2 | 37. | | 5. Douglas Lennox-Silva | PUR | 53.34s | 8 | 38. | | 6. Adam Sioui | CAN | 53.38s | 6 | 39. | | 7. Ivan Lendjer | SRB | 53.41s | 4 | 40. | | 8. Evgeny Lazuka | BLR | 53.54s | 7 | 43. |
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| Heat 4 14.08 20:04 | Team | time | L | Rk. | | 1. Jakob Schioett Andkjaer | DEN | 52.24s | 3 | 19. | | 2. Sotirios Pastras | GRE | 52.41s | 4 | 25. | | 3. Ioan Stefan Gherghel | ROU | 52.50s | 6 | 28. | | 4. Michal Rubacek | CZE | 53.53s | 1 | 42. | | 5. Juan Jose Veloz | MEX | 53.58s | 2 | 45. | | 6. Ryan Gambin | MLT | 53.70s | 8 | 48. | | 7. Ankur Poseria | IND | 54.74s | 7 | 57. | | -. Mattia Nalesso | ITA | | 5 | |
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| Heat 3 14.08 20:02 | Team | time | L | Rk. | | 1. Rimvydas Salcius | LTU | 52.90s | 2 | 34. | | 2. Alon Mandel | ISR | 52.99s | 4 | 36. | | 3. Jeremy Knowles | BAH | 53.72s | 3 | 49. | | 4. Adam Madarassy | HUN | 53.93s | 1 | 50. | | 5. Hjortur Mar Reynisson | ISL | 54.17s | 8 | 52. | | 6. Camilo Becerra | COL | 54.27s | 7 | 53. | | 7. Onur Uras | TUR | 54.79s | 5 | 58. | | 8. Georgi Palazov | BUL | 55.25s | 6 | 60. |
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| Heat 2 14.08 19:59 | Team | time | L | Rk. | | 1. Shaune Fraser | CAY | 54.08s | 5 | 51. | | 2. Daniel Bego | MAS | 54.38s | 4 | 54. | | 3. Gordon Touw Ngie Tjouw | SUR | 54.54s | 2 | 55. | | 4. Rustam Khudiyev | KAZ | 54.62s | 6 | 56. | | 5. Bader Abdulrahman Almuhana | KSA | 55.59s | 1 | 61. | | 5. Ahmed Nada | EGY | 55.59s | 3 | 61. | | 7. Nedim Nisic | BIH | 57.16s | 7 | 64. |
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| Heat 1 14.08 19:57 | Team | time | L | Rk. | | 1. Andrejs Duda | LAT | 55.20s | 3 | 59. | | 2. Joao Luis Cardoso Matias | ANG | 57.06s | 4 | 63. | | 3. Marco Camargo | ECU | 57.48s | 5 | 65. |
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