| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.398 | 20/6:07.960 |
| 2 | 4 | 19.785 | 19/6:02.738 |
| 3 | 4 | 18.227 | 20/6:16.067 |
| 4 | 2 | 18.282 | 20/6:13.460 |
| 5 | 2 | 18.197 | 20/6:11.556 |
| 6 | 2 | 18.463 | 20/6:11.173 |
| 7 | 2 | 17.661 | 20/6:08.609 |
| 8 | 2 | 17.680 | 20/6:06.733 |
| 9 | 2 | 17.861 | 20/6:05.676 |
| 10 | 2 | 18.072 | 20/6:05.252 |
| 11 | 3 | 21.006 | 20/6:10.240 |
| 12 | 3 | 18.265 | 20/6:09.828 |
| 13 | 3 | 18.115 | 20/6:09.249 |
| 14 | 3 | 18.075 | 20/6:08.696 |
| 15 | 3 | 17.682 | 20/6:07.692 |
| 16 | 2 | 18.034 | 20/6:07.254 |
| 17 | 2 | 17.721 | 20/6:06.499 |
| 18 | 2 | 17.693 | 20/6:05.797 |
| 19 | 2 | 18.409 | 20/6:05.922 |
| 20 | 2 | 17.957 | 20/6:05.583 |