| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 25.839 | N/A |
| 2 | 3 | 22.826 | 21/8:02.359 |
| 3 | 5 | 31.023 | 18/8:03.555 |
| 4 | 5 | 22.812 | 19/8:05.805 |
| 5 | 6 | 31.494 | 18/8:05.497 |
| 6 | 6 | 23.194 | 19/8:18.695 |
| 7 | 5 | 23.023 | 19/8:08.955 |
| 8 | 5 | 24.466 | 19/8:05.708 |
| 9 | 5 | 30.377 | 19/8:16.572 |
| 10 | 6 | 25.921 | 19/8:16.111 |
| 11 | 5 | 23.792 | 19/8:11.909 |
| 12 | 5 | 22.777 | 19/8:06.810 |
| 13 | 5 | 23.340 | 19/8:03.406 |
| 14 | 5 | 22.954 | 20/8:25.222 |
| 15 | 5 | 22.773 | 20/8:21.886 |
| 16 | 5 | 26.405 | 20/8:23.596 |
| 17 | 5 | 21.890 | 20/8:19.731 |
| 18 | 5 | 26.708 | 20/8:21.705 |
| 19 | 5 | 28.328 | 20/8:25.169 |
| 20 | 5 | 23.294 | 20/8:23.236 |