| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.371 | 21/6:04.791 |
| 2 | 1 | 16.987 | 21/6:00.759 |
| 3 | 1 | 18.763 | 21/6:11.847 |
| 4 | 1 | 17.694 | 21/6:11.778 |
| 5 | 1 | 17.576 | 21/6:11.242 |
| 6 | 1 | 17.651 | 21/6:11.147 |
| 7 | 1 | 17.638 | 21/6:11.004 |
| 8 | 1 | 17.702 | 21/6:11.127 |
| 9 | 1 | 17.707 | 21/6:11.207 |
| 10 | 1 | 17.521 | 21/6:10.881 |
| 11 | 1 | 18.165 | 21/6:11.843 |
| 12 | 1 | 17.721 | 21/6:11.868 |
| 13 | 1 | 17.988 | 21/6:12.320 |
| 14 | 1 | 17.913 | 21/6:12.595 |
| 15 | 1 | 18.156 | 21/6:13.174 |
| 16 | 1 | 17.930 | 21/6:13.383 |
| 17 | 1 | 22.749 | 20/6:01.449 |
| 18 | 1 | 18.061 | 20/6:01.436 |
| 19 | 1 | 17.764 | 20/6:01.112 |
| 20 | 1 | 17.945 | 20/6:01.002 |