| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.187 | 19/6:04.553 |
| 2 | 2 | 20.466 | 19/6:16.704 |
| 3 | 2 | 20.420 | 18/6:00.438 |
| 4 | 2 | 20.047 | 18/6:00.540 |
| 5 | 2 | 18.381 | 19/6:14.304 |
| 6 | 1 | 19.813 | 19/6:14.661 |
| 7 | 2 | 22.711 | 18/6:02.636 |
| 8 | 2 | 19.698 | 18/6:01.627 |
| 9 | 1 | 19.852 | 18/6:01.150 |
| 10 | 1 | 19.547 | 18/6:00.220 |
| 11 | 1 | 19.676 | 19/6:19.651 |
| 12 | 1 | 20.729 | 18/6:00.790 |
| 13 | 1 | 19.790 | 18/6:00.439 |
| 14 | 1 | 23.674 | 18/6:05.131 |
| 15 | 1 | 19.658 | 18/6:04.379 |
| 16 | 1 | 19.783 | 18/6:03.861 |
| 17 | 1 | 21.874 | 18/6:05.618 |
| 18 | 1 | 23.554 | 18/6:08.860 |