| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.891 | N/A |
| 2 | 1 | 17.438 | 21/6:08.651 |
| 3 | 1 | 16.870 | 21/6:02.971 |
| 4 | 1 | 17.273 | 21/6:03.764 |
| 5 | 1 | 17.114 | 21/6:03.366 |
| 6 | 1 | 17.061 | 21/6:02.915 |
| 7 | 1 | 16.830 | 21/6:01.844 |
| 8 | 1 | 17.338 | 21/6:02.531 |
| 9 | 1 | 18.677 | 21/6:06.393 |
| 10 | 1 | 18.670 | 21/6:09.382 |
| 11 | 1 | 17.788 | 21/6:10.009 |
| 12 | 1 | 17.430 | 21/6:09.871 |
| 13 | 1 | 17.017 | 21/6:09.067 |
| 14 | 1 | 17.454 | 21/6:09.060 |
| 15 | 1 | 17.128 | 21/6:08.588 |
| 16 | 1 | 17.362 | 21/6:08.491 |
| 17 | 1 | 19.172 | 21/6:10.668 |
| 18 | 1 | 18.053 | 21/6:11.273 |
| 19 | 1 | 17.455 | 21/6:11.146 |
| 20 | 1 | 17.629 | 21/6:11.216 |
| 21 | 1 | 16.980 | 21/6:10.630 |