| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.353 | 21/6:04.413 |
| 2 | 3 | 18.275 | 21/6:14.094 |
| 3 | 2 | 18.122 | 21/6:16.250 |
| 4 | 3 | 17.620 | 21/6:14.692 |
| 5 | 3 | 16.967 | 21/6:11.015 |
| 6 | 3 | 17.668 | 21/6:11.017 |
| 7 | 3 | 18.542 | 21/6:13.641 |
| 8 | 3 | 17.073 | 21/6:11.752 |
| 9 | 3 | 17.748 | 21/6:11.859 |
| 10 | 3 | 17.557 | 21/6:11.542 |
| 11 | 3 | 17.317 | 21/6:10.826 |
| 12 | 3 | 17.096 | 21/6:09.841 |
| 13 | 3 | 17.432 | 21/6:09.552 |
| 14 | 3 | 17.220 | 21/6:08.985 |
| 15 | 3 | 16.975 | 21/6:08.151 |
| 16 | 3 | 16.887 | 21/6:07.306 |
| 17 | 3 | 18.613 | 21/6:08.692 |
| 18 | 3 | 22.568 | 21/6:14.538 |
| 19 | 3 | 17.206 | 21/6:13.843 |
| 20 | 3 | 17.870 | 21/6:13.914 |
| 21 | 3 | 17.624 | 21/6:13.733 |