| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.182 | 20/6:03.640 |
| 2 | 2 | 19.493 | 20/6:16.750 |
| 3 | 2 | 18.361 | 20/6:13.573 |
| 4 | 3 | 19.957 | 19/6:00.967 |
| 5 | 3 | 21.490 | 19/6:10.435 |
| 6 | 3 | 19.322 | 19/6:09.882 |
| 7 | 4 | 19.756 | 19/6:10.666 |
| 8 | 3 | 17.745 | 19/6:06.477 |
| 9 | 3 | 18.282 | 19/6:04.352 |
| 10 | 4 | 22.776 | 19/6:11.192 |
| 11 | 3 | 17.718 | 19/6:08.051 |
| 12 | 3 | 17.510 | 19/6:05.104 |
| 13 | 3 | 21.556 | 19/6:08.524 |
| 14 | 3 | 18.837 | 19/6:07.765 |
| 15 | 3 | 19.860 | 19/6:08.404 |
| 16 | 3 | 18.577 | 19/6:07.439 |
| 17 | 3 | 19.827 | 19/6:07.984 |
| 18 | 3 | 17.759 | 19/6:06.286 |
| 19 | 3 | 17.393 | 19/6:04.401 |