| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.773 | 19/6:15.687 |
| 2 | 3 | 20.025 | 19/6:18.081 |
| 3 | 3 | 19.710 | 19/6:16.884 |
| 4 | 3 | 19.865 | 19/6:17.022 |
| 5 | 3 | 21.698 | 18/6:03.856 |
| 6 | 3 | 19.976 | 18/6:03.141 |
| 7 | 3 | 19.769 | 18/6:02.098 |
| 8 | 2 | 19.844 | 18/6:01.485 |
| 9 | 3 | 20.157 | 18/6:01.634 |
| 10 | 3 | 20.774 | 18/6:02.864 |
| 11 | 3 | 19.983 | 18/6:02.576 |
| 12 | 3 | 20.378 | 18/6:02.928 |
| 13 | 3 | 20.081 | 18/6:02.815 |
| 14 | 3 | 20.098 | 18/6:02.740 |
| 15 | 3 | 20.017 | 18/6:02.578 |
| 16 | 3 | 20.369 | 18/6:02.832 |
| 17 | 3 | 20.047 | 18/6:02.715 |
| 18 | 3 | 20.678 | 18/6:03.242 |