| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 23.928 | N/A |
| 2 | 1 | 21.724 | 22/8:00.132 |
| 3 | 1 | 22.421 | 22/8:07.450 |
| 4 | 1 | 21.857 | 22/8:05.942 |
| 5 | 1 | 27.677 | 21/8:12.323 |
| 6 | 1 | 21.740 | 21/8:05.604 |
| 7 | 1 | 23.181 | 21/8:05.928 |
| 8 | 2 | 29.120 | 21/8:23.128 |
| 9 | 2 | 21.963 | 21/8:18.135 |
| 10 | 2 | 30.231 | 20/8:08.190 |
| 11 | 2 | 25.268 | 20/8:09.773 |
| 12 | 2 | 21.211 | 20/8:04.061 |
| 13 | 2 | 22.194 | 20/8:00.857 |
| 14 | 2 | 21.386 | 21/8:20.809 |
| 15 | 2 | 25.033 | 21/8:22.508 |
| 16 | 2 | 23.257 | 21/8:21.612 |
| 17 | 2 | 22.206 | 21/8:19.514 |
| 18 | 2 | 23.500 | 21/8:19.185 |
| 19 | 2 | 29.178 | 20/8:01.138 |
| 20 | 2 | 25.668 | 20/8:02.743 |