| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.501 | 21/6:07.521 |
| 2 | 2 | 18.136 | 21/6:14.188 |
| 3 | 2 | 17.920 | 21/6:14.899 |
| 4 | 2 | 17.462 | 21/6:12.850 |
| 5 | 1 | 17.654 | 21/6:12.427 |
| 6 | 1 | 17.718 | 21/6:12.369 |
| 7 | 1 | 17.788 | 21/6:12.537 |
| 8 | 1 | 17.223 | 21/6:11.180 |
| 9 | 1 | 17.540 | 21/6:10.865 |
| 10 | 1 | 17.644 | 21/6:10.831 |
| 11 | 1 | 17.019 | 21/6:09.610 |
| 12 | 1 | 18.365 | 21/6:10.947 |
| 13 | 1 | 17.286 | 21/6:10.337 |
| 14 | 2 | 21.827 | 21/6:16.625 |
| 15 | 2 | 17.153 | 21/6:15.530 |
| 16 | 2 | 17.648 | 21/6:15.223 |
| 17 | 2 | 17.436 | 21/6:14.689 |
| 18 | 2 | 18.289 | 21/6:15.210 |
| 19 | 2 | 17.717 | 21/6:15.045 |
| 20 | 2 | 18.606 | 21/6:15.829 |
| 21 | 2 | 18.453 | 21/6:16.385 |