| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.741 | 20/6:14.820 |
| 2 | 1 | 18.448 | 20/6:11.890 |
| 3 | 1 | 18.128 | 20/6:08.780 |
| 4 | 3 | 19.903 | 20/6:16.100 |
| 5 | 3 | 19.059 | 20/6:17.116 |
| 6 | 3 | 19.155 | 20/6:18.113 |
| 7 | 3 | 18.038 | 20/6:15.634 |
| 8 | 3 | 18.366 | 20/6:14.595 |
| 9 | 3 | 20.481 | 20/6:18.487 |
| 10 | 4 | 18.740 | 20/6:18.118 |
| 11 | 3 | 18.238 | 20/6:16.904 |
| 12 | 3 | 18.742 | 20/6:16.732 |
| 13 | 3 | 18.619 | 20/6:16.397 |
| 14 | 4 | 20.206 | 20/6:18.377 |
| 15 | 4 | 18.810 | 20/6:18.232 |
| 16 | 4 | 18.291 | 20/6:17.456 |
| 17 | 4 | 18.853 | 20/6:17.433 |
| 18 | 4 | 20.363 | 19/6:00.136 |
| 19 | 4 | 20.893 | 19/6:02.074 |