| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.496 | 21/6:07.416 |
| 2 | 2 | 17.824 | 21/6:10.860 |
| 3 | 2 | 18.019 | 21/6:13.373 |
| 4 | 3 | 17.744 | 21/6:13.186 |
| 5 | 3 | 17.734 | 21/6:13.031 |
| 6 | 3 | 17.813 | 21/6:13.205 |
| 7 | 3 | 17.916 | 21/6:13.638 |
| 8 | 3 | 18.152 | 21/6:14.582 |
| 9 | 3 | 18.190 | 21/6:15.405 |
| 10 | 3 | 17.596 | 21/6:14.816 |
| 11 | 3 | 18.328 | 21/6:15.732 |
| 12 | 3 | 17.760 | 21/6:15.501 |
| 13 | 3 | 19.782 | 20/6:00.545 |
| 14 | 3 | 19.988 | 20/6:03.346 |
| 15 | 3 | 21.283 | 20/6:07.500 |
| 16 | 3 | 17.950 | 20/6:06.969 |
| 17 | 3 | 17.556 | 20/6:06.036 |
| 18 | 3 | 17.463 | 20/6:05.104 |
| 19 | 3 | 24.223 | 20/6:11.386 |
| 20 | 3 | 18.481 | 20/6:11.298 |