| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.018 | 20/6:00.360 |
| 2 | 2 | 18.361 | 20/6:03.790 |
| 3 | 1 | 18.430 | 20/6:05.393 |
| 4 | 1 | 17.984 | 20/6:03.965 |
| 5 | 1 | 18.446 | 20/6:04.956 |
| 6 | 1 | 19.009 | 20/6:07.493 |
| 7 | 1 | 20.163 | 20/6:12.603 |
| 8 | 3 | 19.478 | 20/6:14.723 |
| 9 | 3 | 18.815 | 20/6:14.898 |
| 10 | 3 | 19.218 | 20/6:15.844 |
| 11 | 2 | 18.082 | 20/6:14.553 |
| 12 | 2 | 18.855 | 20/6:14.765 |
| 13 | 3 | 18.571 | 20/6:14.508 |
| 14 | 2 | 17.929 | 20/6:13.370 |
| 15 | 1 | 18.409 | 20/6:13.024 |
| 16 | 1 | 19.139 | 20/6:13.634 |
| 17 | 1 | 18.530 | 20/6:13.455 |
| 18 | 1 | 18.400 | 20/6:13.152 |
| 19 | 1 | 18.511 | 20/6:12.998 |
| 20 | 1 | 18.695 | 20/6:13.043 |