| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.793 | N/A |
| 2 | 2 | 19.007 | 19/6:05.919 |
| 3 | 2 | 18.888 | 19/6:04.848 |
| 4 | 1 | 19.953 | 19/6:10.881 |
| 5 | 1 | 23.144 | 18/6:08.009 |
| 6 | 1 | 19.414 | 18/6:05.173 |
| 7 | 1 | 19.719 | 18/6:04.147 |
| 8 | 1 | 19.330 | 18/6:02.469 |
| 9 | 3 | 31.439 | 17/6:05.581 |
| 10 | 3 | 19.015 | 17/6:01.409 |
| 11 | 3 | 20.164 | 18/6:20.917 |
| 12 | 4 | 21.254 | 17/6:00.268 |
| 13 | 4 | 19.654 | 18/6:19.349 |
| 14 | 4 | 20.285 | 18/6:18.525 |
| 15 | 4 | 21.284 | 18/6:19.032 |
| 16 | 4 | 19.098 | 18/6:16.994 |
| 17 | 4 | 19.596 | 18/6:15.739 |
| 18 | 4 | 21.008 | 18/6:16.045 |