| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.931 | 21/6:16.551 |
| 2 | 4 | 18.505 | 20/6:04.360 |
| 3 | 4 | 17.803 | 20/6:01.593 |
| 4 | 4 | 17.805 | 20/6:00.220 |
| 5 | 4 | 18.076 | 20/6:00.480 |
| 6 | 4 | 18.067 | 20/6:00.623 |
| 7 | 4 | 19.164 | 20/6:03.860 |
| 8 | 4 | 17.712 | 20/6:02.658 |
| 9 | 4 | 18.012 | 20/6:02.389 |
| 10 | 4 | 17.414 | 20/6:00.978 |
| 11 | 4 | 19.014 | 20/6:02.733 |
| 12 | 4 | 18.025 | 20/6:02.547 |
| 13 | 4 | 17.712 | 20/6:01.908 |
| 14 | 4 | 18.619 | 20/6:02.656 |
| 15 | 4 | 18.253 | 20/6:02.816 |
| 16 | 4 | 17.858 | 20/6:02.463 |
| 17 | 4 | 18.846 | 20/6:03.313 |
| 18 | 4 | 17.820 | 20/6:02.929 |
| 19 | 4 | 17.638 | 20/6:02.394 |
| 20 | 4 | 17.834 | 20/6:02.108 |