| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.848 | 21/7:17.808 |
| 2 | 3 | 20.905 | 21/7:18.406 |
| 3 | 4 | 25.143 | 19/7:03.675 |
| 4 | 2 | 19.734 | 20/7:13.150 |
| 5 | 3 | 20.674 | 20/7:09.216 |
| 6 | 2 | 21.293 | 20/7:08.657 |
| 7 | 3 | 21.567 | 20/7:09.040 |
| 8 | 3 | 18.817 | 20/7:02.453 |
| 9 | 3 | 22.459 | 20/7:05.422 |
| 10 | 3 | 19.443 | 20/7:01.766 |
| 11 | 3 | 20.899 | 20/7:01.422 |
| 12 | 3 | 23.703 | 20/7:05.808 |
| 13 | 3 | 20.643 | 20/7:04.812 |
| 14 | 3 | 18.858 | 20/7:01.409 |
| 15 | 3 | 23.112 | 20/7:04.131 |
| 16 | 3 | 22.096 | 20/7:05.243 |
| 17 | 3 | 19.206 | 20/7:02.824 |
| 18 | 3 | 23.726 | 20/7:05.696 |
| 19 | 3 | 25.481 | 20/7:10.113 |
| 20 | 3 | 19.084 | 20/7:07.691 |