| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 27.885 | N/A |
| 2 | 3 | 25.486 | 19/8:06.633 |
| 3 | 2 | 21.854 | 21/8:21.285 |
| 4 | 2 | 24.745 | 20/8:04.423 |
| 5 | 2 | 29.802 | 19/8:06.376 |
| 6 | 2 | 28.813 | 19/8:18.405 |
| 7 | 2 | 21.574 | 19/8:04.707 |
| 8 | 3 | 24.957 | 19/8:03.621 |
| 9 | 4 | 27.249 | 19/8:07.965 |
| 10 | 3 | 22.585 | 19/8:02.015 |
| 11 | 3 | 22.415 | 20/8:21.897 |
| 12 | 3 | 24.646 | 20/8:21.375 |
| 13 | 3 | 24.128 | 20/8:20.120 |
| 14 | 2 | 20.914 | 20/8:14.361 |
| 15 | 2 | 21.163 | 20/8:09.762 |
| 16 | 3 | 32.034 | 20/8:19.547 |
| 17 | 3 | 23.897 | 20/8:18.446 |
| 18 | 3 | 26.083 | 20/8:19.917 |
| 19 | 3 | 22.525 | 20/8:17.047 |
| 20 | 3 | 26.332 | 20/8:19.087 |