| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 22.781 | N/A |
| 2 | 1 | 25.978 | 19/8:10.385 |
| 3 | 1 | 28.577 | 18/8:06.498 |
| 4 | 1 | 20.985 | 20/8:21.201 |
| 5 | 1 | 29.280 | 19/8:14.471 |
| 6 | 3 | 20.715 | 20/8:19.814 |
| 7 | 2 | 26.459 | 20/8:24.095 |
| 8 | 2 | 22.842 | 20/8:17.335 |
| 9 | 2 | 33.294 | 19/8:11.073 |
| 10 | 1 | 20.709 | 19/8:00.459 |
| 11 | 1 | 22.104 | 20/8:19.572 |
| 12 | 1 | 21.034 | 20/8:12.559 |
| 13 | 1 | 20.666 | 20/8:06.132 |
| 14 | 1 | 20.924 | 20/8:01.071 |
| 15 | 1 | 20.960 | 21/8:20.676 |
| 16 | 1 | 29.795 | 20/8:04.255 |
| 17 | 1 | 20.567 | 21/8:23.892 |
| 18 | 1 | 22.507 | 21/8:22.070 |
| 19 | 2 | 21.263 | 21/8:19.068 |
| 20 | 2 | 20.659 | 21/8:15.747 |
| 21 | 2 | 21.309 | 21/8:13.408 |