| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.727 | 20/6:14.540 |
| 2 | 1 | 18.600 | 20/6:13.270 |
| 3 | 2 | 18.741 | 20/6:13.787 |
| 4 | 2 | 18.383 | 20/6:12.255 |
| 5 | 1 | 18.179 | 20/6:10.520 |
| 6 | 1 | 18.375 | 20/6:10.017 |
| 7 | 2 | 19.366 | 20/6:12.489 |
| 8 | 2 | 18.733 | 20/6:12.760 |
| 9 | 2 | 18.985 | 20/6:13.531 |
| 10 | 1 | 18.569 | 20/6:13.316 |
| 11 | 1 | 19.598 | 20/6:15.011 |
| 12 | 1 | 19.686 | 20/6:16.570 |
| 13 | 1 | 20.833 | 19/6:00.671 |
| 14 | 1 | 18.727 | 19/6:00.324 |
| 15 | 1 | 18.962 | 19/6:00.321 |
| 16 | 1 | 19.015 | 19/6:00.381 |
| 17 | 1 | 19.011 | 19/6:00.430 |
| 18 | 1 | 18.393 | 20/6:18.759 |
| 19 | 1 | 19.153 | 19/6:00.036 |