| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.614 | 18/6:11.052 |
| 2 | 4 | 20.154 | 18/6:06.912 |
| 3 | 3 | 19.902 | 18/6:04.020 |
| 4 | 3 | 19.775 | 18/6:02.002 |
| 5 | 2 | 20.149 | 18/6:02.138 |
| 6 | 3 | 20.172 | 18/6:02.298 |
| 7 | 3 | 20.975 | 18/6:04.477 |
| 8 | 4 | 20.927 | 18/6:06.003 |
| 9 | 4 | 20.165 | 18/6:05.666 |
| 10 | 4 | 21.891 | 18/6:08.503 |
| 11 | 4 | 24.677 | 18/6:15.383 |
| 12 | 4 | 21.068 | 18/6:15.703 |
| 13 | 4 | 20.718 | 18/6:15.490 |
| 14 | 4 | 20.769 | 18/6:15.372 |
| 15 | 4 | 19.721 | 18/6:14.012 |
| 16 | 4 | 20.313 | 18/6:13.489 |
| 17 | 4 | 20.095 | 18/6:12.796 |
| 18 | 4 | 20.172 | 18/6:12.257 |