| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.260 | 20/6:05.200 |
| 2 | 1 | 18.523 | 20/6:07.830 |
| 3 | 2 | 18.715 | 20/6:09.987 |
| 4 | 2 | 18.380 | 20/6:09.390 |
| 5 | 2 | 18.696 | 20/6:10.296 |
| 6 | 2 | 18.699 | 20/6:10.910 |
| 7 | 2 | 18.648 | 20/6:11.203 |
| 8 | 2 | 19.395 | 20/6:13.290 |
| 9 | 2 | 18.437 | 20/6:12.784 |
| 10 | 2 | 18.031 | 20/6:11.568 |
| 11 | 2 | 28.237 | 19/6:09.673 |
| 12 | 4 | 49.059 | 17/6:12.697 |
| 13 | 4 | 18.741 | 17/6:08.535 |
| 14 | 4 | 19.001 | 17/6:05.284 |
| 15 | 4 | 18.770 | 17/6:02.204 |
| 16 | 4 | 18.475 | 18/6:20.325 |
| 17 | 4 | 18.907 | 18/6:17.972 |
| 18 | 4 | 19.004 | 18/6:15.978 |