| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 14.905 | N/A |
| 2 | 2 | 21.218 | 18/6:15.611 |
| 3 | 2 | 21.979 | 17/6:00.481 |
| 4 | 3 | 22.007 | 17/6:02.659 |
| 5 | 3 | 21.295 | 17/6:00.901 |
| 6 | 3 | 21.551 | 17/6:00.665 |
| 7 | 4 | 21.817 | 17/6:01.217 |
| 8 | 4 | 20.771 | 18/6:20.740 |
| 9 | 4 | 20.979 | 18/6:19.591 |
| 10 | 4 | 20.794 | 18/6:18.348 |
| 11 | 4 | 21.295 | 18/6:18.205 |
| 12 | 4 | 21.477 | 18/6:18.369 |
| 13 | 4 | 20.853 | 18/6:17.622 |
| 14 | 4 | 21.022 | 18/6:17.211 |
| 15 | 3 | 20.966 | 18/6:16.791 |
| 16 | 3 | 20.779 | 18/6:16.215 |
| 17 | 3 | 20.816 | 18/6:15.750 |
| 18 | 3 | 21.220 | 18/6:15.744 |