Swimming at the 2008 Summer Olympics – Women's 400 metre individual medley Heats Heats

| Heat | Lane | Name_ | Nationality | Time_ |
|---|---|---|---|---|
| 3 | 4 | Elizabeth Beisel | United States | 4:34.55 |
| 5 | 4 | Katie Hoff | United States | 4:34.63 |
| 3 | 5 | Alessia Filippi | Italy | 4:35.11 |
| 4 | 4 | Stephanie Rice | Australia | 4:35.11 |
| 3 | 3 | Yana Martynova | Russia | 4:36.25 |
| 4 | 3 | Li Xuanxu | China | 4:36.35 |
| 4 | 5 | Kirsty Coventry | Zimbabwe | 4:36.43 |
| 5 | 5 | Hannah Miley | Great Britain | 4:36.56 |
| 4 | 7 | Katarzyna Baranowska | Poland | 4:36.95 |
| 4 | 1 | Kathryn Meaklim | South Africa | 4:37.11 |
| 3 | 7 | Maiko Fujino | Japan | 4:37.35 |
| 5 | 3 | Katinka Hosszú | Hungary | 4:37.55 |
| 5 | 2 | Zsuzsanna Jakabos | Hungary | 4:37.86 |
| 5 | 7 | Mireia Belmonte García | Spain | 4:37.91 |
| 3 | 6 | Keri-Anne Payne | Great Britain | 4:38.69 |