| Final | Team | time | Rk. | | 1. Laure Manaudou |  FRA | 4:05.34 | 1. | | 2. Otylia Jędrzejczak |  POL | 4:05.84 | 2. | | 3. Kaitlin Sandeno |  USA | 4:06.19 | 6. | | 4. Camelia Potec |  ROU | 4:06.34 | 3. | | 5. Ai Shibata |  JPN | 4:07.51 | 4. | | 6. Sachiko Yamada | JPN | 4:10.91 | 8. | | 7. Linda MacKenzie |  AUS | 4:10.92 | 7. | | 8. Rebecca Cooke |  GBR | 4:11.35 | 5. |
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| Heat 5 | Team | time | Rk. | | 1. Laure Manaudou | FRA | 4:06.76 | 1. | | 2. Sachiko Yamada | JPN | 4:09.10 | 8. | | 3. Simona Păduraru | ROU | 4:10.39 | 11. | | 4. Hannah Stockbauer |  GER | 4:10.46 | 12. | | 5. Elka Graham | AUS | 4:11.67 | 13. | | 6. Pang Jiaying |  CHN | 4:11.81 | 14. | | 7. Brittany Reimer |  CAN | 4:12.33 | 16. | | 8. Monique Ferreira |  BRA | 4:13.75 | 19. |
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| Heat 4 | Team | time | Rk. | | 1. Otylia Jędrzejczak | POL | 4:07.11 | 2. | | 2. Rebecca Cooke | GBR | 4:08.18 | 5. | | 3. Kaitlin Sandeno | USA | 4:08.22 | 6. | | 4. Kalyn Keller | USA | 4:09.83 | 10. | | 5. Éva Risztov |  HUN | 4:12.08 | 15. | | 6. Chen Hua | CHN | 4:12.67 | 17. | | 7. Erika Villaecija |  ESP | 4:13.03 | 18. | | 8. Dariya Parshina |  RUS | 4:18.24 | 25. |
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| Heat 3 | Team | time | Rk. | | 1. Camelia Potec | ROU | 4:07.39 | 3. | | 2. Ai Shibata | JPN | 4:07.63 | 4. | | 3. Linda MacKenzie | AUS | 4:08.46 | 7. | | 4. Claudia Poll |  CRC | 4:09.75 | 9. | | 5. Zoi Dimoskhaki |  GRE | 4:13.96 | 20. | | 6. Joanne Jackson | GBR | 4:14.89 | 21. | | 7. Arantxa Ramos | ESP | 4:16.52 | 23. | | 8. Kristýna Kyněrová |  CZE | 4:21.12 | 30. |
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| Heat 2 | Team | time | Rk. | | 1. Cecilia Biagioli |  ARG | 4:16.42 | 22. | | 2. Anja Čarman |  SLO | 4:17.79 | 24. | | 3. Kristel Köbrich |  CHI | 4:18.68 | 26. | | 4. Vesna Stojanovska |  MKD | 4:19.39 | 27. | | 5. Janelle Atkinson |  JAM | 4:20.00 | 28. | | 6. Rebecca Linton |  NZL | 4:21.58 | 31. | | 7. Ha Eun-Ju |  KOR | 4:21.65 | 32. | | 8. Olha Beresneva |  UKR | 4:26.30 | 38. |
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| Heat 1 | Team | time | Rk. | | 1. Paola Duguet |  COL | 4:20.69 | 29. | | 2. Golda Marcus |  ESA | 4:22.27 | 33. | | 3. Pilin Tachakittiranan |  THA | 4:23.62 | 34. | | 4. Yasemin Özlem Taşkın |  TUR | 4:24.08 | 35. | | 5. Ivanka Moralieva |  BUL | 4:25.92 | 36. | | 6. Anita Galić |  CRO | 4:26.09 | 37. |
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