| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.727 | 21/6:12.267 |
| 2 | 3 | 17.703 | 21/6:12.015 |
| 3 | 3 | 18.042 | 21/6:14.304 |
| 4 | 3 | 18.531 | 20/6:00.015 |
| 5 | 3 | 17.719 | 21/6:16.832 |
| 6 | 3 | 18.827 | 20/6:01.830 |
| 7 | 3 | 17.917 | 20/6:01.331 |
| 8 | 3 | 19.893 | 20/6:05.898 |
| 9 | 3 | 18.671 | 20/6:06.733 |
| 10 | 3 | 17.647 | 20/6:05.354 |
| 11 | 3 | 22.279 | 20/6:12.647 |
| 12 | 3 | 18.095 | 20/6:11.752 |
| 13 | 3 | 18.027 | 20/6:10.889 |
| 14 | 3 | 19.496 | 20/6:12.249 |
| 15 | 3 | 19.037 | 20/6:12.815 |
| 16 | 3 | 18.221 | 20/6:12.290 |
| 17 | 3 | 18.164 | 20/6:11.760 |
| 18 | 3 | 21.073 | 20/6:14.521 |
| 19 | 3 | 18.940 | 20/6:14.746 |
| 20 | 3 | 18.239 | 20/6:14.248 |