| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.629 | 20/6:12.580 |
| 2 | 3 | 18.308 | 20/6:09.370 |
| 3 | 3 | 19.463 | 20/6:16.000 |
| 4 | 3 | 18.163 | 20/6:12.815 |
| 5 | 3 | 18.324 | 20/6:11.548 |
| 6 | 3 | 17.883 | 20/6:09.233 |
| 7 | 2 | 18.742 | 20/6:10.034 |
| 8 | 2 | 17.913 | 20/6:08.563 |
| 9 | 2 | 18.121 | 20/6:07.880 |
| 10 | 2 | 18.002 | 20/6:07.096 |
| 11 | 2 | 18.719 | 20/6:07.758 |
| 12 | 2 | 18.040 | 20/6:07.178 |
| 13 | 2 | 18.280 | 20/6:07.057 |
| 14 | 2 | 19.304 | 20/6:08.416 |
| 15 | 2 | 18.470 | 20/6:08.481 |
| 16 | 2 | 23.822 | 20/6:15.229 |
| 17 | 2 | 18.412 | 20/6:14.818 |
| 18 | 2 | 18.846 | 20/6:14.934 |
| 19 | 2 | 18.727 | 20/6:14.914 |
| 20 | 2 | 18.227 | 20/6:14.395 |