| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.370 | 18/6:06.660 |
| 2 | 3 | 19.942 | 18/6:02.808 |
| 3 | 3 | 20.774 | 18/6:06.516 |
| 4 | 3 | 19.733 | 18/6:03.685 |
| 5 | 3 | 20.621 | 18/6:05.184 |
| 6 | 3 | 19.715 | 18/6:03.465 |
| 7 | 3 | 20.167 | 18/6:03.399 |
| 8 | 3 | 20.155 | 18/6:03.323 |
| 9 | 3 | 19.882 | 18/6:02.718 |
| 10 | 2 | 20.222 | 18/6:02.846 |
| 11 | 2 | 20.230 | 18/6:02.963 |
| 12 | 2 | 20.564 | 18/6:03.563 |
| 13 | 2 | 20.703 | 18/6:04.262 |
| 14 | 3 | 20.550 | 18/6:04.665 |
| 15 | 3 | 20.206 | 18/6:04.601 |
| 16 | 3 | 20.474 | 18/6:04.846 |
| 17 | 2 | 19.719 | 18/6:04.264 |
| 18 | 2 | 20.140 | 18/6:04.167 |