| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.575 | 22/7:10.650 |
| 2 | 4 | 25.483 | 19/7:08.051 |
| 3 | 3 | 21.184 | 20/7:21.613 |
| 4 | 3 | 22.113 | 20/7:21.775 |
| 5 | 3 | 19.738 | 20/7:12.372 |
| 6 | 2 | 19.540 | 20/7:05.443 |
| 7 | 3 | 24.175 | 20/7:13.737 |
| 8 | 3 | 19.752 | 20/7:08.900 |
| 9 | 4 | 21.086 | 20/7:08.102 |
| 10 | 4 | 22.223 | 20/7:09.738 |
| 11 | 4 | 23.406 | 20/7:13.227 |
| 12 | 4 | 20.288 | 20/7:10.938 |
| 13 | 4 | 22.117 | 20/7:11.815 |
| 14 | 4 | 23.547 | 20/7:14.610 |
| 15 | 3 | 19.782 | 20/7:12.012 |
| 16 | 4 | 19.632 | 20/7:09.551 |
| 17 | 3 | 21.237 | 20/7:09.268 |
| 18 | 4 | 29.605 | 20/7:18.314 |
| 19 | 4 | 20.989 | 20/7:17.339 |
| 20 | 4 | 30.152 | 20/7:25.624 |