| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 23.396 | N/A |
| 2 | 3 | 18.945 | 19/6:04.406 |
| 3 | 3 | 19.340 | 19/6:07.961 |
| 4 | 2 | 18.721 | 19/6:05.432 |
| 5 | 2 | 19.773 | 19/6:08.901 |
| 6 | 2 | 19.579 | 19/6:10.284 |
| 7 | 2 | 20.641 | 19/6:14.393 |
| 8 | 2 | 20.736 | 19/6:17.571 |
| 9 | 3 | 23.104 | 18/6:05.178 |
| 10 | 3 | 19.808 | 18/6:04.618 |
| 11 | 3 | 20.148 | 18/6:04.747 |
| 12 | 4 | 21.435 | 18/6:06.842 |
| 13 | 4 | 23.153 | 18/6:11.021 |
| 14 | 4 | 20.729 | 18/6:11.388 |
| 15 | 4 | 24.474 | 18/6:16.250 |
| 16 | 4 | 20.536 | 18/6:16.000 |
| 17 | 4 | 23.069 | 18/6:18.473 |
| 18 | 4 | 21.130 | 18/6:18.717 |