| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.178 | 21/6:00.738 |
| 2 | 4 | 18.308 | 21/6:12.603 |
| 3 | 4 | 18.688 | 20/6:01.160 |
| 4 | 4 | 17.437 | 21/6:15.958 |
| 5 | 4 | 16.998 | 21/6:12.158 |
| 6 | 4 | 16.896 | 21/6:09.268 |
| 7 | 4 | 17.471 | 21/6:08.928 |
| 8 | 4 | 17.988 | 21/6:10.031 |
| 9 | 4 | 20.383 | 21/6:16.476 |
| 10 | 4 | 20.219 | 20/6:03.132 |
| 11 | 4 | 20.740 | 20/6:07.829 |
| 12 | 4 | 17.742 | 20/6:06.747 |
| 13 | 4 | 19.458 | 20/6:08.471 |
| 14 | 4 | 20.446 | 20/6:11.360 |
| 15 | 4 | 17.284 | 20/6:09.648 |
| 16 | 4 | 21.061 | 20/6:12.871 |
| 17 | 4 | 19.506 | 20/6:13.886 |
| 18 | 4 | 19.476 | 20/6:14.754 |
| 19 | 4 | 21.926 | 20/6:18.111 |
| 20 | 4 | 16.581 | 20/6:15.786 |