| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.528 | 18/7:03.504 |
| 2 | 1 | 19.229 | 20/7:07.570 |
| 3 | 1 | 18.485 | 21/7:08.694 |
| 4 | 1 | 19.658 | 21/7:04.725 |
| 5 | 1 | 21.466 | 21/7:09.937 |
| 6 | 1 | 23.220 | 21/7:19.551 |
| 7 | 1 | 19.204 | 21/7:14.370 |
| 8 | 1 | 30.188 | 20/7:17.445 |
| 9 | 1 | 23.601 | 20/7:21.287 |
| 10 | 1 | 19.869 | 20/7:16.896 |
| 11 | 2 | 29.900 | 19/7:08.965 |
| 12 | 1 | 18.537 | 19/7:02.568 |
| 13 | 1 | 27.442 | 19/7:10.170 |
| 14 | 1 | 18.591 | 19/7:04.674 |
| 15 | 1 | 25.486 | 19/7:08.645 |
| 16 | 1 | 18.537 | 19/7:03.867 |
| 17 | 1 | 19.058 | 19/7:00.234 |
| 18 | 1 | 18.765 | 20/7:18.627 |
| 19 | 1 | 18.849 | 20/7:15.382 |
| 20 | 1 | 19.161 | 20/7:12.774 |