| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.437 | 21/6:06.177 |
| 2 | 1 | 17.630 | 21/6:08.204 |
| 3 | 1 | 17.569 | 21/6:08.452 |
| 4 | 1 | 17.793 | 21/6:09.752 |
| 5 | 1 | 17.741 | 21/6:10.314 |
| 6 | 1 | 18.025 | 21/6:11.683 |
| 7 | 1 | 17.530 | 21/6:11.175 |
| 8 | 1 | 17.921 | 21/6:11.821 |
| 9 | 1 | 18.130 | 21/6:12.811 |
| 10 | 1 | 18.367 | 21/6:14.100 |
| 11 | 1 | 17.792 | 21/6:14.058 |
| 12 | 1 | 17.660 | 21/6:13.791 |
| 13 | 1 | 17.804 | 21/6:13.798 |
| 14 | 1 | 17.576 | 21/6:13.462 |
| 15 | 1 | 18.265 | 21/6:14.136 |
| 16 | 1 | 18.026 | 21/6:14.412 |
| 17 | 1 | 18.022 | 21/6:14.650 |
| 18 | 1 | 18.397 | 21/6:15.299 |
| 19 | 1 | 19.641 | 21/6:17.255 |
| 20 | 1 | 18.198 | 21/6:17.500 |
| 21 | 1 | 17.920 | 21/6:17.444 |