| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.132 | 21/7:02.772 |
| 2 | 5 | 20.912 | 21/7:10.962 |
| 3 | 5 | 19.928 | 21/7:06.804 |
| 4 | 5 | 20.282 | 21/7:06.583 |
| 5 | 4 | 19.998 | 21/7:05.258 |
| 6 | 4 | 21.102 | 21/7:08.239 |
| 7 | 4 | 20.348 | 21/7:08.106 |
| 8 | 4 | 20.647 | 21/7:08.791 |
| 9 | 4 | 19.930 | 21/7:07.651 |
| 10 | 4 | 20.666 | 21/7:08.284 |
| 11 | 4 | 20.209 | 21/7:07.930 |
| 12 | 4 | 20.090 | 21/7:07.427 |
| 13 | 3 | 20.235 | 21/7:07.235 |
| 14 | 4 | 29.427 | 21/7:20.859 |
| 15 | 4 | 19.912 | 21/7:19.345 |
| 16 | 4 | 20.033 | 21/7:18.179 |
| 17 | 3 | 21.806 | 21/7:19.341 |
| 18 | 3 | 20.618 | 21/7:18.987 |
| 19 | 3 | 19.961 | 21/7:17.945 |
| 20 | 3 | 20.333 | 21/7:17.397 |
| 21 | 3 | 20.052 | 21/7:16.621 |