| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.949 | 19/6:19.031 |
| 2 | 4 | 18.338 | 19/6:03.727 |
| 3 | 4 | 21.699 | 19/6:19.911 |
| 4 | 3 | 18.369 | 19/6:12.186 |
| 5 | 4 | 23.765 | 18/6:07.632 |
| 6 | 3 | 18.385 | 18/6:01.515 |
| 7 | 3 | 18.291 | 19/6:16.732 |
| 8 | 4 | 19.015 | 19/6:14.801 |
| 9 | 4 | 17.604 | 19/6:10.321 |
| 10 | 3 | 17.670 | 19/6:06.862 |
| 11 | 3 | 17.920 | 19/6:04.463 |
| 12 | 3 | 18.947 | 19/6:04.091 |
| 13 | 2 | 20.144 | 19/6:05.525 |
| 14 | 3 | 26.308 | 19/6:15.120 |
| 15 | 3 | 17.419 | 19/6:12.176 |
| 16 | 3 | 18.588 | 19/6:10.988 |
| 17 | 3 | 17.313 | 19/6:08.515 |
| 18 | 3 | 19.069 | 19/6:08.170 |
| 19 | 3 | 17.842 | 19/6:06.635 |