| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.049 | 19/6:01.931 |
| 2 | 3 | 18.699 | 20/6:17.480 |
| 3 | 3 | 19.337 | 19/6:01.538 |
| 4 | 3 | 19.781 | 19/6:05.114 |
| 5 | 3 | 18.803 | 19/6:03.542 |
| 6 | 3 | 19.709 | 19/6:05.364 |
| 7 | 4 | 23.177 | 19/6:16.078 |
| 8 | 5 | 21.110 | 19/6:19.204 |
| 9 | 4 | 19.813 | 19/6:18.898 |
| 10 | 3 | 18.080 | 19/6:15.360 |
| 11 | 3 | 18.906 | 19/6:13.892 |
| 12 | 3 | 18.988 | 19/6:12.799 |
| 13 | 4 | 20.998 | 19/6:14.812 |
| 14 | 4 | 21.498 | 19/6:17.215 |
| 15 | 4 | 23.876 | 18/6:02.189 |
| 16 | 5 | 21.792 | 18/6:04.068 |
| 17 | 5 | 19.962 | 18/6:03.788 |
| 18 | 4 | 18.437 | 18/6:02.015 |