Swimming at the 2000 Summer Olympics – Women's 400 metre individual medley Heats Heats

| Rank_ | Heat | Lane | Name_ | Nationality | Time_ |
|---|---|---|---|---|---|
| 1 | 4 | 4 | Yana Klochkova | Ukraine | 4:37.64 |
| 2 | 2 | 4 | Yasuko Tajima | Japan | 4:40.35 |
| 3 | 4 | 5 | Kaitlin Sandeno | United States | 4:40.89 |
| 4 | 3 | 5 | Beatrice Căslaru | Romania | 4:41.04 |
| 5 | 4 | 6 | Jennifer Reilly | Australia | 4:41.51 |
| 6 | 3 | 4 | Joanne Malar | Canada | 4:42.65 |
| 7 | 2 | 5 | Nicole Hetzer | Germany | 4:43.23 |
| 8 | 4 | 3 | Maddy Crippen | United States | 4:44.00 |
| 9 | 3 | 6 | Hana Černá | Czech Republic | 4:44.11 |
| 10 | 2 | 7 | Oxana Verevka | Russia | 4:45.07 |
| 11 | 2 | 3 | Chen Yan | China | 4:45.65 |
| 12 | 2 | 6 | Rachel Harris | Australia | 4:46.02 |
| 13 | 2 | 2 | Helen Norfolk | New Zealand | 4:46.42 |