| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.446 | 21/6:06.366 |
| 2 | 2 | 17.719 | 21/6:09.233 |
| 3 | 2 | 17.631 | 21/6:09.572 |
| 4 | 1 | 18.167 | 21/6:12.556 |
| 5 | 4 | 22.017 | 20/6:11.920 |
| 6 | 3 | 18.652 | 20/6:12.107 |
| 7 | 3 | 17.186 | 20/6:08.051 |
| 8 | 3 | 17.409 | 20/6:05.567 |
| 9 | 3 | 21.460 | 20/6:12.638 |
| 10 | 3 | 20.594 | 20/6:16.562 |
| 11 | 4 | 24.544 | 19/6:07.607 |
| 12 | 4 | 17.062 | 19/6:03.988 |
| 13 | 4 | 17.265 | 19/6:01.222 |
| 14 | 4 | 19.159 | 19/6:01.422 |
| 15 | 4 | 16.916 | 20/6:17.636 |
| 16 | 4 | 19.104 | 20/6:17.914 |
| 17 | 3 | 17.181 | 20/6:15.896 |
| 18 | 3 | 17.538 | 20/6:14.500 |
| 19 | 3 | 18.211 | 20/6:13.959 |
| 20 | 3 | 18.861 | 20/6:14.122 |