| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.972 | 19/6:00.468 |
| 2 | 1 | 18.974 | 19/6:00.487 |
| 3 | 2 | 19.057 | 19/6:01.019 |
| 4 | 2 | 19.200 | 19/6:01.964 |
| 5 | 2 | 18.831 | 19/6:01.129 |
| 6 | 2 | 18.799 | 19/6:00.471 |
| 7 | 2 | 18.990 | 19/6:00.520 |
| 8 | 2 | 18.671 | 20/6:18.735 |
| 9 | 2 | 18.638 | 20/6:18.071 |
| 10 | 2 | 18.735 | 20/6:17.734 |
| 11 | 2 | 18.385 | 20/6:16.822 |
| 12 | 2 | 18.965 | 20/6:17.028 |
| 13 | 2 | 18.801 | 20/6:16.951 |
| 14 | 2 | 22.357 | 19/6:02.866 |
| 15 | 2 | 23.237 | 19/6:08.109 |
| 16 | 2 | 18.632 | 19/6:07.227 |
| 17 | 2 | 19.279 | 19/6:07.173 |
| 18 | 2 | 19.226 | 19/6:07.068 |
| 19 | 2 | 18.945 | 19/6:06.694 |