| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 24.418 | N/A |
| 2 | 3 | 20.148 | 21/7:07.378 |
| 3 | 2 | 20.683 | 21/7:12.728 |
| 4 | 3 | 19.786 | 21/7:08.531 |
| 5 | 2 | 20.062 | 21/7:07.813 |
| 6 | 2 | 19.895 | 21/7:06.714 |
| 7 | 2 | 19.893 | 21/7:05.974 |
| 8 | 3 | 24.301 | 21/7:18.040 |
| 9 | 3 | 24.249 | 20/7:05.833 |
| 10 | 3 | 20.163 | 20/7:03.798 |
| 11 | 3 | 20.380 | 20/7:02.582 |
| 12 | 3 | 20.522 | 20/7:01.832 |
| 13 | 4 | 24.829 | 20/7:08.027 |
| 14 | 4 | 20.731 | 20/7:07.279 |
| 15 | 3 | 19.929 | 20/7:05.550 |
| 16 | 3 | 19.804 | 20/7:03.893 |
| 17 | 3 | 21.796 | 20/7:04.808 |
| 18 | 4 | 26.864 | 20/7:11.280 |
| 19 | 4 | 21.367 | 20/7:11.231 |
| 20 | 4 | 26.575 | 20/7:16.395 |