| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 21.970 | N/A |
| 2 | 1 | 21.893 | 22/8:01.723 |
| 3 | 1 | 22.255 | 22/8:05.524 |
| 4 | 2 | 24.868 | 21/8:02.076 |
| 5 | 1 | 22.875 | 21/8:01.425 |
| 6 | 2 | 22.308 | 22/8:21.605 |
| 7 | 2 | 23.141 | 22/8:22.066 |
| 8 | 2 | 23.844 | 21/8:02.495 |
| 9 | 2 | 22.227 | 21/8:00.497 |
| 10 | 2 | 23.038 | 21/8:00.745 |
| 11 | 2 | 21.371 | 22/8:20.392 |
| 12 | 2 | 21.650 | 22/8:18.230 |
| 13 | 2 | 21.417 | 22/8:16.022 |
| 14 | 2 | 21.218 | 22/8:13.831 |
| 15 | 2 | 21.584 | 22/8:12.503 |
| 16 | 2 | 23.627 | 22/8:14.212 |
| 17 | 2 | 25.243 | 22/8:17.828 |
| 18 | 2 | 22.223 | 22/8:17.288 |
| 19 | 2 | 23.437 | 22/8:18.225 |
| 20 | 2 | 22.752 | 22/8:18.306 |
| 21 | 2 | 25.199 | 22/8:20.948 |
| 22 | 2 | 22.591 | 22/8:20.731 |