| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.730 | 21/7:15.330 |
| 2 | 4 | 20.636 | 21/7:14.343 |
| 3 | 4 | 21.639 | 20/7:00.033 |
| 4 | 4 | 21.779 | 20/7:03.920 |
| 5 | 4 | 18.041 | 21/7:11.865 |
| 6 | 4 | 24.443 | 20/7:04.227 |
| 7 | 3 | 20.969 | 20/7:03.534 |
| 8 | 3 | 19.180 | 21/7:19.470 |
| 9 | 4 | 22.092 | 20/7:01.131 |
| 10 | 4 | 19.515 | 21/7:18.950 |
| 11 | 3 | 21.432 | 21/7:19.961 |
| 12 | 4 | 25.637 | 20/7:06.822 |
| 13 | 4 | 20.776 | 20/7:05.952 |
| 14 | 4 | 16.537 | 21/7:20.109 |
| 15 | 4 | 19.207 | 21/7:17.658 |
| 16 | 5 | 20.841 | 21/7:17.658 |
| 17 | 4 | 19.127 | 21/7:15.541 |
| 18 | 5 | 19.666 | 21/7:14.288 |
| 19 | 4 | 24.372 | 21/7:18.368 |
| 20 | 4 | 30.107 | 20/7:06.726 |