| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.813 | 19/6:16.447 |
| 2 | 1 | 20.029 | 19/6:18.499 |
| 3 | 1 | 20.107 | 19/6:19.677 |
| 4 | 1 | 19.834 | 19/6:18.969 |
| 5 | 1 | 20.162 | 19/6:19.791 |
| 6 | 1 | 21.078 | 18/6:03.069 |
| 7 | 2 | 22.279 | 18/6:08.491 |
| 8 | 2 | 20.864 | 18/6:09.373 |
| 9 | 2 | 20.434 | 18/6:09.200 |
| 10 | 2 | 20.268 | 18/6:08.762 |
| 11 | 2 | 19.878 | 18/6:07.766 |
| 12 | 2 | 20.008 | 18/6:07.131 |
| 13 | 2 | 19.787 | 18/6:06.288 |
| 14 | 2 | 19.951 | 18/6:05.775 |
| 15 | 2 | 20.108 | 18/6:05.520 |
| 16 | 2 | 20.082 | 18/6:05.267 |
| 17 | 2 | 20.186 | 18/6:05.154 |
| 18 | 2 | 20.545 | 18/6:05.413 |