| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 28.859 | N/A |
| 2 | 6 | 20.508 | 23/8:00.035 |
| 3 | 5 | 20.694 | 23/8:02.081 |
| 4 | 5 | 21.259 | 23/8:06.906 |
| 5 | 5 | 21.360 | 23/8:09.874 |
| 6 | 6 | 37.631 | 20/8:10.376 |
| 7 | 4 | 21.504 | 20/8:01.553 |
| 8 | 5 | 28.850 | 20/8:15.189 |
| 9 | 5 | 23.922 | 20/8:13.713 |
| 10 | 5 | 28.769 | 20/8:22.797 |
| 11 | 5 | 21.095 | 20/8:15.483 |
| 12 | 5 | 18.417 | 20/8:04.874 |
| 13 | 5 | 20.833 | 21/8:23.595 |
| 14 | 5 | 23.550 | 21/8:23.308 |
| 15 | 4 | 26.413 | 20/8:03.237 |
| 16 | 4 | 19.786 | 21/8:21.647 |
| 17 | 4 | 21.479 | 21/8:18.946 |
| 18 | 4 | 37.614 | 20/8:11.211 |
| 19 | 4 | 18.131 | 20/8:04.663 |
| 20 | 4 | 21.029 | 20/8:01.703 |