| Semifinal - 26.08.04 | | Heat | Time | 1 | 2 | | 1. Bulgaria | 1:44.246 | Delyana Dacheva | Bonka Pindzheva | | 2. Sweden | 1:44.570 | Sofia Paldanius | Anna Karlsson | | 3. Belarus | 1:45.234 | Hanna Puchkova | Alena Bets | | 4. France | 1:45.626 | Anne Laure Viard | Marie Delattre | | 5. Romania | 1:45.770 | Florica Vulpes | Lidia Talpa | | 6. Kazakhstan | 1:46.214 | Natalya Sergeyeva | Ellina Uzhakhova | | 7. United States 1:46.786 | Kathryn Colin | Lauren Spalding | | 8. Japan | 1:47.614 | Shinobu Kitamoto | Yumiko Suzuki | | 9. Australia | 1:51.402 | Paula Harvey | Susan Tegg |
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| Heats - 24.08.04 | | Heat 1 | Time | 1 | 2 | | 1. Hungary | 1:38.606 | Katalin Kovacs | Natasa Janics | | 2. Spain | 1:41.338 | Beatriz Manchon | Teresa Portela | | 3. Canada | 1:43.434 | Caroline Brunet | Mylanie Barre | | 4. Japan | 1:44.730 | Shinobu Kitamoto | Yumiko Suzuki | | 5. France | 1:45.090 | Anne Laure Viard | Marie Delattre | | 6. United States | 1:45.158 | Kathryn Colin | Lauren Spalding | | 7. Romania | 1:45.386 | Florica Vulpes | Lidia Talpa | | 8. Kazakhstan | 1:46.710 | Natalya Sergeyeva | Ellina Uzhakhova | | Heat 2 | Time | 1 | 2 | | 1. Germany | 1:39.588 | Birgit Fischer | Carolin Leonhardt | | 2. China | 1:40.943 | Linbei Xu | Hongyan Zhong | | 3. Poland | 1:41.164 | Aneta Pastuszka | Beata Sokolowska Kulesza | | 4. Sweden | 1:44.059 | Sofia Paldanius | Anna Karlsson | | 5. Bulgaria | 1:44.268 | Delyana Dacheva | Bonka Pindzheva | | 6. Belarus | 1:45.279 | Hanna Puchkova | Alena Bets | | 7. Australia | 1:46.319 | Paula Harvey | Susan Tegg |
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