| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 26.630 | N/A |
| 2 | 3 | 22.948 | 21/8:05.059 |
| 3 | 3 | 22.849 | 21/8:04.006 |
| 4 | 3 | 21.411 | 22/8:17.086 |
| 5 | 4 | 25.454 | 21/8:09.094 |
| 6 | 4 | 21.459 | 21/8:03.114 |
| 7 | 4 | 21.573 | 22/8:21.559 |
| 8 | 4 | 23.466 | 21/8:01.372 |
| 9 | 4 | 22.588 | 21/8:01.000 |
| 10 | 4 | 21.741 | 22/8:21.437 |
| 11 | 4 | 22.631 | 22/8:21.482 |
| 12 | 4 | 23.602 | 21/8:00.067 |
| 13 | 5 | 25.868 | 21/8:05.946 |
| 14 | 5 | 24.986 | 21/8:09.054 |
| 15 | 5 | 26.214 | 21/8:13.472 |
| 16 | 5 | 23.166 | 21/8:13.238 |
| 17 | 5 | 26.991 | 21/8:17.813 |
| 18 | 5 | 24.635 | 21/8:19.079 |
| 19 | 5 | 22.884 | 21/8:18.258 |
| 20 | 5 | 25.871 | 21/8:20.668 |
| 21 | 5 | 23.549 | 21/8:20.516 |