| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.756 | N/A |
| 2 | 2 | 21.067 | 20/7:04.029 |
| 3 | 2 | 21.289 | 20/7:06.138 |
| 4 | 2 | 20.652 | 20/7:02.806 |
| 5 | 2 | 21.155 | 20/7:03.530 |
| 6 | 2 | 21.247 | 20/7:04.314 |
| 7 | 1 | 21.389 | 20/7:05.286 |
| 8 | 2 | 22.768 | 20/7:09.723 |
| 9 | 2 | 24.365 | 20/7:16.844 |
| 10 | 2 | 22.129 | 20/7:17.662 |
| 11 | 2 | 20.985 | 20/7:16.143 |
| 12 | 3 | 26.208 | 19/7:01.808 |
| 13 | 2 | 21.933 | 19/7:01.536 |
| 14 | 2 | 20.954 | 20/7:21.962 |
| 15 | 2 | 22.015 | 20/7:21.967 |
| 16 | 2 | 21.020 | 20/7:20.712 |
| 17 | 2 | 22.939 | 20/7:21.892 |
| 18 | 4 | 29.717 | 19/7:08.048 |
| 19 | 3 | 23.877 | 19/7:09.465 |