| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 25.654 | N/A |
| 2 | 2 | 21.110 | 20/7:06.744 |
| 3 | 2 | 20.787 | 20/7:03.675 |
| 4 | 2 | 21.390 | 20/7:06.471 |
| 5 | 2 | 21.325 | 20/7:07.561 |
| 6 | 2 | 21.828 | 20/7:10.126 |
| 7 | 2 | 21.001 | 20/7:09.217 |
| 8 | 2 | 21.918 | 20/7:11.057 |
| 9 | 3 | 22.860 | 20/7:14.674 |
| 10 | 2 | 21.449 | 20/7:14.508 |
| 11 | 3 | 23.237 | 20/7:17.773 |
| 12 | 3 | 22.695 | 20/7:19.508 |
| 13 | 3 | 22.255 | 20/7:20.257 |
| 14 | 3 | 22.438 | 20/7:21.159 |
| 15 | 3 | 22.142 | 20/7:21.530 |
| 16 | 3 | 21.593 | 20/7:21.156 |
| 17 | 3 | 21.941 | 20/7:21.242 |
| 18 | 3 | 21.680 | 20/7:21.026 |
| 19 | 3 | 23.375 | 19/7:00.678 |