| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.412 | 20/6:08.240 |
| 2 | 2 | 18.622 | 20/6:10.340 |
| 3 | 2 | 18.217 | 20/6:08.340 |
| 4 | 1 | 18.589 | 20/6:09.200 |
| 5 | 1 | 18.784 | 20/6:10.496 |
| 6 | 1 | 18.689 | 20/6:11.043 |
| 7 | 1 | 17.460 | 20/6:07.923 |
| 8 | 1 | 18.127 | 20/6:07.250 |
| 9 | 1 | 18.137 | 20/6:06.749 |
| 10 | 1 | 17.784 | 20/6:05.642 |
| 11 | 1 | 18.213 | 20/6:05.516 |
| 12 | 1 | 18.299 | 20/6:05.555 |
| 13 | 1 | 18.227 | 20/6:05.477 |
| 14 | 1 | 18.416 | 20/6:05.680 |
| 15 | 1 | 18.858 | 20/6:06.445 |
| 16 | 1 | 17.930 | 20/6:05.955 |
| 17 | 1 | 17.896 | 20/6:05.482 |
| 18 | 1 | 17.688 | 20/6:04.831 |
| 19 | 1 | 17.513 | 20/6:04.064 |
| 20 | 1 | 18.151 | 20/6:04.012 |