| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.558 | 16/6:16.928 |
| 2 | 3 | 23.393 | 16/6:15.608 |
| 3 | 3 | 23.386 | 16/6:15.131 |
| 4 | 3 | 23.029 | 18/7:00.147 |
| 5 | 3 | 26.978 | 18/7:13.238 |
| 6 | 3 | 22.520 | 18/7:08.592 |
| 7 | 4 | 25.527 | 18/7:13.005 |
| 8 | 4 | 22.213 | 18/7:08.859 |
| 9 | 4 | 22.772 | 18/7:06.752 |
| 10 | 3 | 22.547 | 18/7:04.661 |
| 11 | 4 | 23.329 | 18/7:04.231 |
| 12 | 3 | 23.079 | 18/7:03.497 |
| 13 | 4 | 27.077 | 18/7:08.411 |
| 14 | 4 | 23.355 | 18/7:07.838 |
| 15 | 4 | 21.828 | 18/7:05.509 |
| 16 | 3 | 31.829 | 18/7:14.723 |
| 17 | 3 | 22.865 | 18/7:13.361 |
| 18 | 3 | 21.571 | 18/7:10.856 |