| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 15.988 | 19/5:03.772 |
| 2 | 1 | 15.477 | 20/5:14.650 |
| 3 | 1 | 15.833 | 20/5:15.320 |
| 4 | 1 | 15.734 | 20/5:15.160 |
| 5 | 1 | 16.338 | 19/5:01.606 |
| 6 | 1 | 15.724 | 19/5:01.131 |
| 7 | 1 | 17.452 | 19/5:05.482 |
| 8 | 1 | 15.669 | 19/5:04.511 |
| 9 | 1 | 15.507 | 19/5:03.413 |
| 10 | 1 | 15.825 | 19/5:03.139 |
| 11 | 1 | 15.653 | 19/5:02.618 |
| 12 | 1 | 15.849 | 19/5:02.494 |
| 13 | 1 | 16.227 | 19/5:02.942 |
| 14 | 1 | 18.060 | 19/5:05.813 |
| 15 | 1 | 20.585 | 19/5:11.500 |
| 16 | 1 | 16.336 | 19/5:11.430 |
| 17 | 1 | 16.288 | 19/5:11.315 |
| 18 | 1 | 21.078 | 19/5:16.269 |
| 19 | 1 | 22.426 | 19/5:22.049 |