| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 2.817 | N/A |
| 2 | 3 | 21.081 | 21/7:04.437 |
| 3 | 3 | 20.676 | 21/7:00.387 |
| 4 | 1 | 20.379 | 22/7:17.769 |
| 5 | 1 | 20.669 | 22/7:17.543 |
| 6 | 1 | 20.465 | 22/7:16.551 |
| 7 | 1 | 20.813 | 22/7:17.107 |
| 8 | 1 | 20.603 | 22/7:16.875 |
| 9 | 2 | 24.392 | 21/7:05.512 |
| 10 | 2 | 20.177 | 21/7:03.383 |
| 11 | 1 | 20.318 | 21/7:01.963 |
| 12 | 1 | 21.149 | 21/7:02.311 |
| 13 | 2 | 23.443 | 21/7:06.425 |
| 14 | 2 | 20.468 | 21/7:05.329 |
| 15 | 2 | 22.267 | 21/7:06.959 |
| 16 | 2 | 21.100 | 21/7:06.817 |
| 17 | 2 | 20.014 | 21/7:05.334 |
| 18 | 2 | 21.189 | 21/7:05.408 |
| 19 | 2 | 22.049 | 21/7:06.430 |
| 20 | 2 | 20.695 | 21/7:05.919 |
| 21 | 3 | 23.576 | 21/7:08.340 |