| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.598 | 18/6:10.764 |
| 2 | 1 | 18.875 | 19/6:14.993 |
| 3 | 1 | 19.494 | 19/6:13.458 |
| 4 | 1 | 19.512 | 19/6:12.775 |
| 5 | 1 | 18.852 | 19/6:09.858 |
| 6 | 1 | 18.853 | 19/6:07.916 |
| 7 | 2 | 19.763 | 19/6:08.999 |
| 8 | 2 | 19.491 | 19/6:09.165 |
| 9 | 2 | 19.665 | 19/6:09.662 |
| 10 | 2 | 18.993 | 19/6:08.782 |
| 11 | 2 | 19.323 | 19/6:08.633 |
| 12 | 2 | 19.364 | 19/6:08.573 |
| 13 | 2 | 19.513 | 19/6:08.740 |
| 14 | 2 | 19.271 | 19/6:08.555 |
| 15 | 2 | 19.195 | 19/6:08.299 |
| 16 | 2 | 19.079 | 19/6:07.936 |
| 17 | 2 | 18.983 | 19/6:07.509 |
| 18 | 2 | 19.141 | 19/6:07.296 |
| 19 | 2 | 19.875 | 19/6:07.840 |