| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.599 | 21/6:09.579 |
| 2 | 3 | 17.430 | 21/6:07.804 |
| 3 | 3 | 17.404 | 21/6:07.031 |
| 4 | 5 | 17.979 | 21/6:09.663 |
| 5 | 5 | 18.042 | 21/6:11.507 |
| 6 | 5 | 19.119 | 21/6:16.505 |
| 7 | 5 | 17.756 | 21/6:15.987 |
| 8 | 7 | 20.507 | 20/6:04.590 |
| 9 | 6 | 18.458 | 20/6:05.098 |
| 10 | 6 | 17.751 | 20/6:04.090 |
| 11 | 6 | 17.517 | 20/6:02.840 |
| 12 | 5 | 18.105 | 20/6:02.778 |
| 13 | 5 | 17.238 | 20/6:01.392 |
| 14 | 6 | 22.248 | 20/6:07.361 |
| 15 | 5 | 18.729 | 20/6:07.843 |
| 16 | 6 | 18.806 | 20/6:08.360 |
| 17 | 7 | 19.099 | 20/6:09.161 |
| 18 | 7 | 20.282 | 20/6:11.188 |
| 19 | 7 | 17.605 | 20/6:10.183 |
| 20 | 7 | 18.022 | 20/6:09.696 |