| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 8.961 | N/A |
| 2 | 1 | 20.687 | 18/6:00.064 |
| 3 | 1 | 20.725 | 18/6:00.963 |
| 4 | 1 | 21.126 | 18/6:03.343 |
| 5 | 1 | 20.929 | 18/6:03.695 |
| 6 | 1 | 21.758 | 18/6:06.726 |
| 7 | 1 | 21.001 | 18/6:06.601 |
| 8 | 1 | 21.360 | 18/6:07.384 |
| 9 | 1 | 20.519 | 18/6:06.184 |
| 10 | 1 | 21.052 | 18/6:06.257 |
| 11 | 1 | 20.926 | 18/6:06.102 |
| 12 | 1 | 20.823 | 18/6:05.815 |
| 13 | 1 | 20.762 | 18/6:05.490 |
| 14 | 1 | 21.312 | 18/6:05.934 |
| 15 | 1 | 21.305 | 18/6:06.307 |
| 16 | 1 | 21.191 | 18/6:06.500 |
| 17 | 1 | 21.739 | 18/6:07.251 |
| 18 | 1 | 21.579 | 18/6:07.755 |