| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.838 | N/A |
| 2 | 1 | 17.265 | 21/6:06.138 |
| 3 | 1 | 17.085 | 21/6:04.338 |
| 4 | 1 | 17.634 | 21/6:07.398 |
| 5 | 1 | 16.995 | 21/6:05.733 |
| 6 | 1 | 16.655 | 21/6:03.374 |
| 7 | 2 | 21.469 | 21/6:17.848 |
| 8 | 2 | 17.579 | 21/6:17.072 |
| 9 | 1 | 21.886 | 20/6:08.937 |
| 10 | 2 | 19.015 | 20/6:10.402 |
| 11 | 1 | 18.410 | 20/6:10.424 |
| 12 | 1 | 17.047 | 20/6:08.088 |
| 13 | 1 | 17.869 | 20/6:07.443 |
| 14 | 1 | 17.011 | 20/6:05.644 |
| 15 | 1 | 16.754 | 20/6:03.752 |
| 16 | 1 | 17.214 | 20/6:02.696 |
| 17 | 1 | 17.758 | 20/6:02.417 |
| 18 | 1 | 17.263 | 20/6:01.618 |
| 19 | 1 | 18.784 | 20/6:02.513 |
| 20 | 1 | 16.973 | 20/6:01.504 |