| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 20.211 | 18/6:03.798 |
| 2 | 4 | 20.326 | 18/6:04.833 |
| 3 | 4 | 20.718 | 18/6:07.530 |
| 4 | 5 | 20.731 | 18/6:08.937 |
| 5 | 5 | 19.930 | 18/6:06.898 |
| 6 | 4 | 20.678 | 18/6:07.782 |
| 7 | 5 | 23.136 | 18/6:14.734 |
| 8 | 5 | 19.542 | 18/6:11.862 |
| 9 | 5 | 20.498 | 18/6:11.540 |
| 10 | 4 | 19.293 | 18/6:09.113 |
| 11 | 5 | 22.618 | 18/6:12.569 |
| 12 | 4 | 22.519 | 18/6:15.300 |
| 13 | 4 | 19.595 | 18/6:13.562 |
| 14 | 4 | 20.319 | 18/6:13.004 |
| 15 | 4 | 22.643 | 18/6:15.308 |
| 16 | 4 | 21.203 | 18/6:15.705 |
| 17 | 4 | 20.152 | 18/6:14.942 |
| 18 | 4 | 20.481 | 18/6:14.593 |