| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.877 | N/A |
| 2 | 1 | 17.062 | 21/6:00.117 |
| 3 | 1 | 18.388 | 21/6:13.377 |
| 4 | 1 | 17.094 | 21/6:09.170 |
| 5 | 2 | 20.806 | 20/6:07.289 |
| 6 | 1 | 16.573 | 20/6:00.584 |
| 7 | 2 | 17.170 | 21/6:15.853 |
| 8 | 1 | 17.061 | 21/6:13.602 |
| 9 | 1 | 17.024 | 21/6:11.822 |
| 10 | 1 | 16.961 | 21/6:10.297 |
| 11 | 2 | 16.517 | 21/6:08.189 |
| 12 | 1 | 17.823 | 21/6:08.838 |
| 13 | 1 | 18.583 | 21/6:10.647 |
| 14 | 2 | 21.447 | 21/6:16.583 |
| 15 | 2 | 15.864 | 21/6:13.695 |
| 16 | 2 | 17.769 | 21/6:13.733 |
| 17 | 2 | 15.953 | 21/6:11.495 |
| 18 | 2 | 18.216 | 21/6:12.184 |
| 19 | 2 | 16.926 | 21/6:11.362 |
| 20 | 2 | 16.018 | 21/6:09.671 |
| 21 | 2 | 16.393 | 21/6:08.525 |