| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 25.923 | N/A |
| 2 | 1 | 23.843 | 21/8:22.783 |
| 3 | 2 | 30.728 | 18/8:09.776 |
| 4 | 2 | 22.675 | 19/8:09.399 |
| 5 | 2 | 22.654 | 20/8:20.448 |
| 6 | 2 | 20.766 | 20/8:04.453 |
| 7 | 2 | 24.095 | 20/8:04.332 |
| 8 | 2 | 23.068 | 20/8:01.458 |
| 9 | 2 | 22.359 | 21/8:21.393 |
| 10 | 1 | 25.288 | 20/8:00.816 |
| 11 | 1 | 23.521 | 20/8:00.017 |
| 12 | 1 | 24.764 | 20/8:01.510 |
| 13 | 1 | 20.241 | 21/8:19.259 |
| 14 | 1 | 31.583 | 20/8:07.162 |
| 15 | 1 | 31.298 | 20/8:16.692 |
| 16 | 1 | 21.744 | 20/8:12.850 |
| 17 | 2 | 25.641 | 20/8:14.116 |
| 18 | 2 | 28.861 | 20/8:18.831 |
| 19 | 1 | 22.360 | 20/8:16.161 |
| 20 | 2 | 27.852 | 20/8:19.264 |