| Heat 5 09.08 19:37 | Team | time | L | Rk. | | 1. Grant Hackett | AUS | 3:44.03 | 4 | 5. | | 2. Peter Vanderkaay | USA | 3:44.22 | 5 | 6. | | 3. Yuriy Prilukov | RUS | 3:44.82 | 3 | 8. | | 4. Ryan Cochrane | CAN | 3:44.85 | 2 | 9. | | 5. David Carry | GBR | 3:47.17 | 7 | 15. | | 6. Sergiy Fesenko | UKR | 3:47.75 | 1 | 16. | | 7. Dragos Cristian Coman | ROU | 3:47.79 | 8 | 17. | | 8. Przemyslaw Stanczyk | POL | 3:48.11 | 6 | 19. |
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| Heat 4 09.08 19:32 | Team | time | L | Rk. | | 1. Larsen Jensen | USA | 3:43.10 | 4 | 1. | | 2. Nikita Lobintsev | RUS | 3:43.45 | 6 | 4. | | 3. Oussama Mellouli | TUN | 3:44.54 | 5 | 7. | | 4. Mads Glaesner | DEN | 3:45.38 | 8 | 12. | | 5. Massimiliano Rosolino | ITA | 3:45.57 | 3 | 13. | | 6. Pawel Korzeniowski | POL | 3:48.78 | 7 | 21. | | 7. Yang Sun | CHN | 3:50.90 | 2 | 28. | | 8. Christian Kubusch | GER | 3:52.73 | 1 | 29. |
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