| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.807 | 22/7:15.754 |
| 2 | 3 | 27.057 | 18/7:01.776 |
| 3 | 3 | 19.757 | 19/7:01.933 |
| 4 | 3 | 22.362 | 19/7:02.669 |
| 5 | 3 | 19.900 | 20/7:15.532 |
| 6 | 3 | 20.321 | 20/7:10.680 |
| 7 | 3 | 24.980 | 20/7:20.526 |
| 8 | 3 | 23.741 | 19/7:02.572 |
| 9 | 3 | 20.825 | 20/7:21.667 |
| 10 | 3 | 23.286 | 19/7:01.868 |
| 11 | 3 | 21.690 | 19/7:00.981 |
| 12 | 4 | 24.954 | 19/7:05.410 |
| 13 | 4 | 19.277 | 19/7:00.860 |
| 14 | 3 | 21.186 | 20/7:21.633 |
| 15 | 3 | 22.771 | 19/7:00.424 |
| 16 | 3 | 19.774 | 20/7:19.610 |
| 17 | 3 | 25.949 | 19/7:02.065 |
| 18 | 3 | 20.164 | 20/7:22.001 |
| 19 | 3 | 21.539 | 20/7:21.411 |
| 20 | 3 | 21.795 | 20/7:21.135 |