| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 16.209 | N/A |
| 2 | 2 | 24.924 | 20/8:09.765 |
| 3 | 1 | 26.483 | 20/8:24.575 |
| 4 | 1 | 25.310 | 20/8:22.083 |
| 5 | 1 | 24.715 | 20/8:18.011 |
| 6 | 1 | 26.818 | 20/8:23.559 |
| 7 | 1 | 26.818 | 20/8:23.559 |
| 8 | 2 | 52.392 | 19/8:00.717 |
| 9 | 1 | 52.392 | 19/8:00.717 |
| 10 | 1 | 25.292 | 22/8:16.721 |
| 11 | 1 | 24.922 | 22/8:21.006 |
| 12 | 1 | 25.478 | 21/8:02.270 |
| 13 | 2 | 57.783 | 19/8:07.384 |
| 14 | 1 | 57.783 | 19/8:07.384 |
| 15 | 1 | 24.731 | 21/8:20.277 |
| 16 | 1 | 28.810 | 20/8:01.909 |
| 17 | 1 | 25.374 | 20/8:02.934 |
| 18 | 1 | 26.198 | 20/8:04.760 |
| 19 | 1 | 25.077 | 20/8:05.199 |
| 20 | 1 | 27.713 | 20/8:08.229 |