| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.419 | 19/6:08.961 |
| 2 | 3 | 20.531 | 19/6:19.525 |
| 3 | 2 | 19.804 | 19/6:18.442 |
| 4 | 2 | 20.011 | 19/6:18.884 |
| 5 | 2 | 20.961 | 18/6:02.614 |
| 6 | 2 | 21.016 | 18/6:05.226 |
| 7 | 4 | 24.463 | 18/6:15.956 |
| 8 | 3 | 20.242 | 18/6:14.506 |
| 9 | 3 | 21.351 | 18/6:15.596 |
| 10 | 3 | 19.960 | 18/6:13.964 |
| 11 | 3 | 19.978 | 18/6:12.659 |
| 12 | 3 | 20.812 | 18/6:12.822 |
| 13 | 3 | 19.711 | 18/6:11.436 |
| 14 | 3 | 21.857 | 18/6:13.006 |
| 15 | 3 | 21.687 | 18/6:14.164 |
| 16 | 2 | 17.777 | 18/6:10.777 |
| 17 | 3 | 29.252 | 18/6:19.940 |
| 18 | 3 | 20.735 | 18/6:19.567 |