| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.709 | 19/6:14.471 |
| 2 | 2 | 19.765 | 19/6:15.003 |
| 3 | 2 | 20.508 | 19/6:19.886 |
| 4 | 1 | 19.504 | 19/6:17.559 |
| 5 | 2 | 20.234 | 19/6:18.936 |
| 6 | 1 | 19.632 | 19/6:17.948 |
| 7 | 1 | 21.582 | 18/6:02.402 |
| 8 | 1 | 21.152 | 18/6:04.694 |
| 9 | 1 | 19.048 | 18/6:02.268 |
| 10 | 1 | 20.030 | 18/6:02.095 |
| 11 | 1 | 18.707 | 19/6:19.777 |
| 12 | 1 | 22.147 | 18/6:03.027 |
| 13 | 1 | 20.291 | 18/6:03.197 |
| 14 | 2 | 20.108 | 18/6:03.108 |
| 15 | 2 | 19.810 | 18/6:02.672 |
| 16 | 2 | 19.876 | 18/6:02.366 |
| 17 | 2 | 19.582 | 18/6:01.784 |
| 18 | 2 | 20.550 | 18/6:02.235 |