| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.788 | N/A |
| 2 | 1 | 21.256 | 20/7:03.652 |
| 3 | 1 | 21.081 | 20/7:01.989 |
| 4 | 1 | 21.469 | 20/7:03.892 |
| 5 | 1 | 21.464 | 20/7:04.820 |
| 6 | 1 | 21.528 | 20/7:05.620 |
| 7 | 1 | 21.503 | 20/7:06.074 |
| 8 | 1 | 21.537 | 20/7:06.491 |
| 9 | 1 | 21.490 | 20/7:06.692 |
| 10 | 1 | 21.553 | 20/7:06.981 |
| 11 | 1 | 21.582 | 20/7:07.267 |
| 12 | 1 | 21.937 | 20/7:08.115 |
| 13 | 1 | 21.462 | 20/7:08.069 |
| 14 | 1 | 21.072 | 20/7:07.460 |
| 15 | 1 | 27.674 | 20/7:15.898 |
| 16 | 1 | 22.122 | 20/7:16.179 |
| 17 | 1 | 21.563 | 20/7:15.760 |
| 18 | 1 | 21.576 | 20/7:15.406 |
| 19 | 1 | 21.266 | 20/7:14.763 |
| 20 | 1 | 28.979 | 20/7:21.902 |