| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.447 | 21/6:06.387 |
| 2 | 1 | 17.831 | 21/6:10.419 |
| 3 | 2 | 18.512 | 21/6:16.530 |
| 4 | 2 | 17.646 | 21/6:15.039 |
| 5 | 1 | 17.092 | 21/6:11.818 |
| 6 | 1 | 17.313 | 21/6:10.444 |
| 7 | 1 | 19.827 | 21/6:17.004 |
| 8 | 1 | 17.280 | 21/6:15.239 |
| 9 | 1 | 17.475 | 21/6:14.320 |
| 10 | 1 | 18.376 | 21/6:15.478 |
| 11 | 1 | 17.740 | 21/6:15.211 |
| 12 | 1 | 18.914 | 21/6:17.043 |
| 13 | 1 | 17.526 | 21/6:16.351 |
| 14 | 1 | 17.095 | 21/6:15.111 |
| 15 | 1 | 19.706 | 21/6:17.692 |
| 16 | 1 | 19.041 | 20/6:01.026 |
| 17 | 1 | 18.748 | 20/6:01.846 |
| 18 | 1 | 17.156 | 20/6:00.806 |
| 19 | 1 | 22.074 | 20/6:05.052 |
| 20 | 1 | 17.655 | 20/6:04.454 |