| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 29.049 | N/A |
| 2 | 4 | 19.699 | 18/6:03.932 |
| 3 | 3 | 19.292 | 18/6:00.472 |
| 4 | 3 | 19.615 | 18/6:01.149 |
| 5 | 3 | 19.527 | 18/6:01.114 |
| 6 | 2 | 19.771 | 18/6:01.922 |
| 7 | 2 | 19.521 | 18/6:01.753 |
| 8 | 2 | 20.364 | 18/6:03.679 |
| 9 | 2 | 20.088 | 18/6:04.537 |
| 10 | 2 | 20.332 | 18/6:05.666 |
| 11 | 2 | 20.035 | 18/6:06.063 |
| 12 | 2 | 19.934 | 18/6:06.233 |
| 13 | 2 | 20.338 | 18/6:06.946 |
| 14 | 2 | 19.437 | 18/6:06.372 |
| 15 | 2 | 20.009 | 18/6:06.574 |
| 16 | 2 | 20.085 | 18/6:06.835 |
| 17 | 2 | 19.688 | 18/6:06.642 |
| 18 | 2 | 20.766 | 18/6:07.550 |