| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.694 | N/A |
| 2 | 1 | 18.489 | 20/6:11.985 |
| 3 | 1 | 19.404 | 19/6:01.731 |
| 4 | 1 | 19.995 | 19/6:08.022 |
| 5 | 2 | 22.801 | 18/6:03.622 |
| 6 | 2 | 21.230 | 18/6:07.218 |
| 7 | 2 | 19.554 | 18/6:04.867 |
| 8 | 2 | 19.635 | 18/6:03.384 |
| 9 | 3 | 21.877 | 18/6:07.037 |
| 10 | 2 | 20.292 | 18/6:06.883 |
| 11 | 2 | 22.236 | 18/6:10.066 |
| 12 | 2 | 23.970 | 18/6:15.349 |
| 13 | 3 | 24.112 | 18/6:19.953 |
| 14 | 2 | 20.231 | 18/6:18.774 |
| 15 | 2 | 20.204 | 18/6:17.730 |
| 16 | 3 | 21.284 | 18/6:18.049 |
| 17 | 3 | 23.326 | 18/6:20.499 |
| 18 | 3 | 19.485 | 18/6:18.819 |