| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 28.004 | N/A |
| 2 | 3 | 22.879 | 21/8:05.584 |
| 3 | 3 | 22.960 | 21/8:06.394 |
| 4 | 3 | 22.069 | 21/8:00.724 |
| 5 | 3 | 22.937 | 21/8:02.229 |
| 6 | 3 | 22.402 | 21/8:00.992 |
| 7 | 3 | 22.152 | 22/8:21.900 |
| 8 | 2 | 23.349 | 21/8:01.569 |
| 9 | 2 | 24.229 | 21/8:05.446 |
| 10 | 2 | 24.280 | 21/8:08.575 |
| 11 | 2 | 21.570 | 21/8:05.658 |
| 12 | 2 | 22.223 | 21/8:04.458 |
| 13 | 2 | 21.892 | 21/8:02.907 |
| 14 | 2 | 21.709 | 21/8:01.313 |
| 15 | 2 | 22.366 | 21/8:00.885 |
| 16 | 2 | 22.451 | 21/8:00.628 |
| 17 | 2 | 21.980 | 22/8:22.404 |
| 18 | 3 | 28.483 | 21/8:06.746 |
| 19 | 3 | 22.658 | 21/8:06.436 |
| 20 | 3 | 26.346 | 21/8:10.040 |
| 21 | 3 | 22.206 | 21/8:09.145 |