| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 25.962 | N/A |
| 2 | 4 | 21.928 | 19/7:00.666 |
| 3 | 3 | 22.167 | 19/7:02.817 |
| 4 | 3 | 21.584 | 19/7:00.036 |
| 5 | 3 | 20.882 | 20/7:17.126 |
| 6 | 3 | 20.901 | 20/7:14.317 |
| 7 | 3 | 21.055 | 20/7:12.932 |
| 8 | 3 | 21.176 | 20/7:12.271 |
| 9 | 3 | 20.677 | 20/7:10.590 |
| 10 | 3 | 21.259 | 20/7:10.512 |
| 11 | 3 | 22.664 | 20/7:13.118 |
| 12 | 3 | 20.925 | 20/7:12.247 |
| 13 | 3 | 20.813 | 20/7:11.344 |
| 14 | 4 | 22.353 | 20/7:12.830 |
| 15 | 4 | 21.308 | 20/7:12.686 |
| 16 | 3 | 21.366 | 20/7:12.635 |
| 17 | 4 | 25.951 | 20/7:18.035 |
| 18 | 4 | 21.475 | 20/7:17.797 |
| 19 | 4 | 21.134 | 20/7:17.225 |
| 20 | 4 | 21.422 | 20/7:17.002 |