| Heat 5 | Team | time | Rk. | | 1. Chen Hua | CHN | 4:10.56 | 5. | | 2. Hannah Stockbauer | GER | 4:10.76 | 7. | | 3. Flavia Rigamonti | SUI | 4:11.77 | 9. | | 4. Kirsten Vlieghuis | NED | 4:11.87 | 10. | | 5. Sachiko Yamada | JPN | 4:12.45 | 12. | | 6. Kerstin Kielgaß | GER | 4:13.10 | 15. | | 7. Karine Legault | CAN | 4:15.55 | 19. | | 8. Sarah-Jane D'Arcy | AUS | 4:18.05 | 27. |
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| Heat 4 | Team | time | Rk. | | 1. Diana Munz | USA | 4:10.39 | 4. | | 2. Nadezhda Chemezova | RUS | 4:10.76 | 6. | | 3. Camelia Potec | ROU | 4:11.92 | 11. | | 4. Simona Păduraru | ROU | 4:13.89 | 16. | | 5. Irina Ufimtseva | RUS | 4:15.41 | 17. | | 6. Kasey Giteau | AUS | 4:15.54 | 18. | | 7. Sofie Goffin | BEL | 4:15.93 | 20. | | 8. Yasuko Tajima | JPN | 4:17.23 | 23. |
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