| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.774 | 21/6:13.254 |
| 2 | 2 | 18.192 | 21/6:17.643 |
| 3 | 2 | 17.585 | 21/6:14.857 |
| 4 | 4 | 20.327 | 20/6:09.390 |
| 5 | 4 | 18.278 | 20/6:08.624 |
| 6 | 4 | 18.245 | 20/6:08.003 |
| 7 | 4 | 18.215 | 20/6:07.474 |
| 8 | 4 | 18.712 | 20/6:08.320 |
| 9 | 3 | 17.876 | 20/6:07.120 |
| 10 | 4 | 19.854 | 20/6:10.116 |
| 11 | 4 | 18.486 | 20/6:10.080 |
| 12 | 3 | 18.163 | 20/6:09.512 |
| 13 | 2 | 17.540 | 20/6:08.072 |
| 14 | 3 | 23.606 | 20/6:15.504 |
| 15 | 3 | 17.660 | 20/6:14.017 |
| 16 | 3 | 18.148 | 20/6:13.326 |
| 17 | 3 | 20.427 | 20/6:15.398 |
| 18 | 3 | 17.784 | 20/6:14.302 |
| 19 | 3 | 17.982 | 20/6:13.531 |
| 20 | 3 | 22.793 | 20/6:17.647 |