| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.074 | 20/6:01.480 |
| 2 | 1 | 18.398 | 20/6:04.720 |
| 3 | 2 | 19.124 | 20/6:10.640 |
| 4 | 1 | 17.546 | 20/6:05.710 |
| 5 | 3 | 21.331 | 20/6:17.892 |
| 6 | 5 | 21.227 | 19/6:06.383 |
| 7 | 3 | 18.794 | 19/6:05.055 |
| 8 | 2 | 17.466 | 19/6:00.905 |
| 9 | 2 | 17.749 | 20/6:17.131 |
| 10 | 2 | 18.211 | 20/6:15.840 |
| 11 | 2 | 18.708 | 20/6:15.687 |
| 12 | 2 | 21.144 | 19/6:00.639 |
| 13 | 2 | 18.870 | 19/6:00.477 |
| 14 | 1 | 17.792 | 20/6:17.763 |
| 15 | 2 | 18.440 | 20/6:17.165 |
| 16 | 1 | 17.742 | 20/6:15.770 |
| 17 | 2 | 18.831 | 20/6:15.820 |
| 18 | 2 | 18.044 | 20/6:14.990 |
| 19 | 2 | 18.026 | 20/6:14.228 |
| 20 | 2 | 26.411 | 20/6:21.928 |