| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.861 | N/A |
| 2 | 3 | 18.483 | 20/6:11.038 |
| 3 | 3 | 18.359 | 20/6:09.086 |
| 4 | 3 | 18.168 | 20/6:08.257 |
| 5 | 2 | 17.980 | 20/6:06.563 |
| 6 | 2 | 18.317 | 20/6:06.827 |
| 7 | 2 | 18.437 | 20/6:07.383 |
| 8 | 2 | 18.284 | 20/6:07.365 |
| 9 | 2 | 18.026 | 20/6:06.739 |
| 10 | 2 | 17.998 | 20/6:06.193 |
| 11 | 2 | 19.318 | 20/6:08.264 |
| 12 | 1 | 22.783 | 20/6:15.943 |
| 13 | 1 | 19.773 | 20/6:17.577 |
| 14 | 1 | 18.135 | 20/6:16.565 |
| 15 | 1 | 18.454 | 20/6:16.131 |
| 16 | 2 | 19.472 | 20/6:17.044 |
| 17 | 2 | 18.695 | 20/6:16.920 |
| 18 | 1 | 18.556 | 20/6:16.656 |
| 19 | 1 | 19.337 | 20/6:17.245 |
| 20 | 1 | 18.598 | 20/6:17.034 |