| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.365 | 21/6:04.665 |
| 2 | 2 | 17.414 | 21/6:05.179 |
| 3 | 2 | 19.504 | 20/6:01.887 |
| 4 | 2 | 18.374 | 20/6:03.285 |
| 5 | 3 | 20.479 | 20/6:12.544 |
| 6 | 4 | 17.823 | 20/6:09.863 |
| 7 | 2 | 17.927 | 20/6:08.246 |
| 8 | 2 | 18.261 | 20/6:07.867 |
| 9 | 2 | 17.243 | 20/6:05.311 |
| 10 | 2 | 23.014 | 20/6:14.808 |
| 11 | 2 | 16.772 | 20/6:11.229 |
| 12 | 2 | 18.408 | 20/6:10.973 |
| 13 | 2 | 17.678 | 20/6:09.634 |
| 14 | 2 | 16.567 | 20/6:06.899 |
| 15 | 2 | 16.777 | 20/6:04.808 |
| 16 | 2 | 18.532 | 20/6:05.172 |
| 17 | 2 | 17.145 | 20/6:03.862 |
| 18 | 2 | 20.354 | 20/6:06.263 |
| 19 | 2 | 20.962 | 20/6:09.052 |
| 20 | 3 | 17.644 | 20/6:08.243 |