| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.732 | 19/6:14.908 |
| 2 | 1 | 20.008 | 19/6:17.530 |
| 3 | 1 | 20.565 | 18/6:01.830 |
| 4 | 1 | 21.272 | 18/6:07.096 |
| 5 | 2 | 20.791 | 18/6:08.525 |
| 6 | 2 | 19.603 | 18/6:05.913 |
| 7 | 1 | 20.490 | 18/6:06.328 |
| 8 | 1 | 19.734 | 18/6:04.939 |
| 9 | 1 | 19.123 | 18/6:02.636 |
| 10 | 1 | 19.732 | 18/6:01.890 |
| 11 | 1 | 19.732 | 18/6:01.280 |
| 12 | 1 | 20.467 | 18/6:01.874 |
| 13 | 1 | 24.976 | 18/6:08.619 |
| 14 | 1 | 19.522 | 18/6:07.389 |
| 15 | 1 | 19.801 | 18/6:06.658 |
| 16 | 1 | 19.956 | 18/6:06.192 |
| 17 | 2 | 20.507 | 18/6:06.365 |
| 18 | 1 | 21.205 | 18/6:07.216 |