| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.192 | 20/6:03.840 |
| 2 | 1 | 17.928 | 20/6:01.200 |
| 3 | 1 | 18.604 | 20/6:04.827 |
| 4 | 1 | 18.187 | 20/6:04.555 |
| 5 | 2 | 19.193 | 20/6:08.416 |
| 6 | 4 | 20.843 | 20/6:16.490 |
| 7 | 4 | 18.047 | 20/6:14.269 |
| 8 | 4 | 19.084 | 20/6:15.195 |
| 9 | 4 | 18.190 | 20/6:13.929 |
| 10 | 4 | 18.794 | 20/6:14.124 |
| 11 | 4 | 17.917 | 20/6:12.689 |
| 12 | 3 | 18.839 | 20/6:13.030 |
| 13 | 3 | 18.813 | 20/6:13.278 |
| 14 | 3 | 17.712 | 20/6:11.919 |
| 15 | 3 | 18.240 | 20/6:11.444 |
| 16 | 3 | 17.769 | 20/6:10.440 |
| 17 | 3 | 18.286 | 20/6:10.162 |
| 18 | 3 | 20.402 | 20/6:12.267 |
| 19 | 3 | 18.220 | 20/6:11.853 |
| 20 | 3 | 20.766 | 20/6:14.026 |