| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 30.883 | N/A |
| 2 | 1 | 20.574 | 17/6:00.067 |
| 3 | 2 | 20.753 | 17/6:01.499 |
| 4 | 1 | 20.183 | 18/6:19.439 |
| 5 | 2 | 20.536 | 18/6:19.578 |
| 6 | 2 | 20.507 | 18/6:19.563 |
| 7 | 2 | 22.209 | 17/6:03.581 |
| 8 | 2 | 20.299 | 17/6:02.451 |
| 9 | 2 | 21.250 | 17/6:03.505 |
| 10 | 2 | 20.885 | 17/6:03.675 |
| 11 | 2 | 20.999 | 17/6:03.995 |
| 12 | 2 | 20.891 | 17/6:04.099 |
| 13 | 2 | 21.558 | 17/6:05.075 |
| 14 | 2 | 21.403 | 17/6:05.710 |
| 15 | 2 | 20.882 | 17/6:05.659 |
| 16 | 2 | 20.580 | 17/6:05.292 |
| 17 | 2 | 20.301 | 17/6:04.693 |