| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 22.114 | 19/7:00.166 |
| 2 | 1 | 20.339 | 20/7:04.530 |
| 3 | 1 | 22.001 | 20/7:09.693 |
| 4 | 1 | 23.331 | 20/7:18.925 |
| 5 | 1 | 23.196 | 19/7:01.728 |
| 6 | 1 | 20.868 | 20/7:19.497 |
| 7 | 1 | 23.495 | 19/7:01.648 |
| 8 | 1 | 22.592 | 19/7:02.598 |
| 9 | 1 | 21.883 | 19/7:01.840 |
| 10 | 2 | 22.355 | 19/7:02.131 |
| 11 | 1 | 21.056 | 19/7:00.125 |
| 12 | 1 | 22.198 | 19/7:00.261 |
| 13 | 1 | 20.917 | 20/7:20.531 |
| 14 | 1 | 22.937 | 20/7:21.831 |
| 15 | 1 | 22.833 | 19/7:00.679 |
| 16 | 1 | 26.532 | 19/7:05.893 |
| 17 | 1 | 21.877 | 19/7:05.292 |
| 18 | 1 | 21.164 | 19/7:04.004 |
| 19 | 1 | 21.194 | 19/7:02.882 |