| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.798 | 21/6:13.758 |
| 2 | 2 | 17.646 | 21/6:12.162 |
| 3 | 2 | 17.574 | 21/6:11.126 |
| 4 | 1 | 18.387 | 21/6:14.876 |
| 5 | 1 | 17.647 | 21/6:14.018 |
| 6 | 1 | 17.468 | 21/6:12.820 |
| 7 | 1 | 19.066 | 21/6:16.758 |
| 8 | 2 | 19.110 | 20/6:01.740 |
| 9 | 1 | 17.954 | 20/6:01.444 |
| 10 | 1 | 17.824 | 20/6:00.948 |
| 11 | 1 | 18.171 | 20/6:01.173 |
| 12 | 1 | 17.427 | 20/6:00.120 |
| 13 | 1 | 17.801 | 21/6:17.795 |
| 14 | 1 | 18.836 | 20/6:01.013 |
| 15 | 1 | 17.853 | 20/6:00.749 |
| 16 | 1 | 18.042 | 20/6:00.755 |
| 17 | 1 | 23.198 | 20/6:06.826 |
| 18 | 1 | 21.800 | 20/6:10.669 |
| 19 | 1 | 18.973 | 20/6:11.132 |
| 20 | 1 | 18.217 | 20/6:10.792 |