| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.817 | 21/6:14.157 |
| 2 | 2 | 17.815 | 21/6:14.136 |
| 3 | 2 | 18.015 | 21/6:15.529 |
| 4 | 2 | 18.201 | 21/6:17.202 |
| 5 | 2 | 18.118 | 21/6:17.857 |
| 6 | 2 | 17.843 | 21/6:17.332 |
| 7 | 2 | 17.435 | 21/6:15.732 |
| 8 | 2 | 18.504 | 21/6:17.339 |
| 9 | 2 | 17.983 | 21/6:17.372 |
| 10 | 2 | 17.965 | 21/6:17.362 |
| 11 | 2 | 17.880 | 21/6:17.191 |
| 12 | 2 | 18.049 | 21/6:17.344 |
| 13 | 2 | 17.770 | 21/6:17.023 |
| 14 | 2 | 17.850 | 21/6:16.868 |
| 15 | 2 | 17.856 | 21/6:16.741 |
| 16 | 2 | 18.714 | 21/6:17.757 |
| 17 | 2 | 18.507 | 20/6:00.379 |
| 18 | 2 | 18.839 | 20/6:01.290 |
| 19 | 2 | 18.254 | 20/6:01.489 |
| 20 | 2 | 18.308 | 20/6:01.723 |