| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.688 | 20/6:13.760 |
| 2 | 3 | 18.084 | 20/6:07.720 |
| 3 | 3 | 18.008 | 20/6:05.200 |
| 4 | 2 | 17.735 | 20/6:02.575 |
| 5 | 2 | 18.174 | 20/6:02.756 |
| 6 | 2 | 17.732 | 20/6:01.403 |
| 7 | 2 | 18.070 | 20/6:01.403 |
| 8 | 2 | 17.802 | 20/6:00.732 |
| 9 | 2 | 17.930 | 20/6:00.496 |
| 10 | 2 | 18.265 | 20/6:00.976 |
| 11 | 2 | 19.362 | 20/6:03.364 |
| 12 | 2 | 19.016 | 20/6:04.777 |
| 13 | 2 | 17.971 | 20/6:04.365 |
| 14 | 2 | 17.855 | 20/6:03.846 |
| 15 | 2 | 17.505 | 20/6:02.929 |
| 16 | 2 | 17.962 | 20/6:02.699 |
| 17 | 2 | 18.881 | 20/6:03.576 |
| 18 | 2 | 18.221 | 20/6:03.623 |
| 19 | 2 | 20.169 | 20/6:05.716 |
| 20 | 2 | 17.651 | 20/6:05.081 |