| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.258 | 20/6:05.160 |
| 2 | 3 | 18.007 | 20/6:02.650 |
| 3 | 3 | 18.660 | 20/6:06.167 |
| 4 | 3 | 17.969 | 20/6:04.470 |
| 5 | 3 | 18.431 | 20/6:05.300 |
| 6 | 3 | 19.368 | 20/6:08.977 |
| 7 | 3 | 18.236 | 20/6:08.369 |
| 8 | 3 | 17.977 | 20/6:07.265 |
| 9 | 3 | 19.319 | 20/6:09.389 |
| 10 | 3 | 17.713 | 20/6:07.876 |
| 11 | 2 | 17.994 | 20/6:07.149 |
| 12 | 2 | 17.828 | 20/6:06.267 |
| 13 | 2 | 19.159 | 20/6:07.568 |
| 14 | 2 | 18.373 | 20/6:07.560 |
| 15 | 2 | 18.821 | 20/6:08.151 |
| 16 | 2 | 18.269 | 20/6:07.978 |
| 17 | 2 | 17.773 | 20/6:07.241 |
| 18 | 2 | 17.758 | 20/6:06.570 |
| 19 | 2 | 19.923 | 20/6:08.248 |
| 20 | 2 | 18.052 | 20/6:07.888 |