| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 21.186 | 20/7:03.720 |
| 2 | 3 | 22.879 | 20/7:20.650 |
| 3 | 3 | 20.993 | 20/7:13.720 |
| 4 | 2 | 21.949 | 20/7:15.035 |
| 5 | 2 | 21.205 | 20/7:12.848 |
| 6 | 2 | 21.310 | 20/7:11.740 |
| 7 | 2 | 20.927 | 20/7:09.854 |
| 8 | 2 | 21.151 | 20/7:09.000 |
| 9 | 2 | 21.175 | 20/7:08.389 |
| 10 | 2 | 21.183 | 20/7:07.916 |
| 11 | 2 | 20.532 | 20/7:06.345 |
| 12 | 2 | 20.307 | 20/7:04.662 |
| 13 | 2 | 21.574 | 20/7:05.186 |
| 14 | 2 | 23.545 | 20/7:08.451 |
| 15 | 2 | 19.926 | 20/7:06.456 |
| 16 | 2 | 20.792 | 20/7:05.793 |
| 17 | 2 | 21.335 | 20/7:05.846 |
| 18 | 2 | 21.813 | 20/7:06.424 |
| 19 | 2 | 22.018 | 20/7:07.158 |
| 20 | 2 | 25.809 | 20/7:11.609 |