| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.731 | N/A |
| 2 | 1 | 17.315 | 21/6:05.031 |
| 3 | 1 | 17.477 | 21/6:06.651 |
| 4 | 1 | 18.034 | 21/6:10.904 |
| 5 | 1 | 20.153 | 20/6:05.381 |
| 6 | 1 | 18.341 | 20/6:05.747 |
| 7 | 1 | 18.423 | 20/6:06.250 |
| 8 | 2 | 25.921 | 19/6:07.581 |
| 9 | 2 | 17.17 | 19/6:02.225 |
| 10 | 2 | 17.426 | 20/6:17.809 |
| 11 | 2 | 17.312 | 20/6:14.794 |
| 12 | 2 | 16.754 | 20/6:11.364 |
| 13 | 2 | 17.619 | 20/6:09.874 |
| 14 | 1 | 18.430 | 20/6:09.799 |
| 15 | 2 | 19.808 | 20/6:11.605 |
| 16 | 2 | 17.639 | 20/6:10.423 |
| 17 | 2 | 23.365 | 20/6:16.188 |
| 18 | 2 | 18.740 | 20/6:16.106 |
| 19 | 2 | 23.059 | 19/6:01.547 |