| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.876 | 19/6:17.644 |
| 2 | 3 | 20.449 | 18/6:02.925 |
| 3 | 4 | 20.900 | 18/6:07.350 |
| 4 | 4 | 20.250 | 18/6:06.637 |
| 5 | 4 | 20.495 | 18/6:07.092 |
| 6 | 4 | 20.118 | 18/6:06.264 |
| 7 | 4 | 20.794 | 18/6:07.411 |
| 8 | 4 | 20.192 | 18/6:06.917 |
| 9 | 3 | 21.070 | 18/6:08.288 |
| 10 | 3 | 19.681 | 18/6:06.885 |
| 11 | 3 | 20.123 | 18/6:06.460 |
| 12 | 4 | 21.087 | 18/6:07.552 |
| 13 | 4 | 23.647 | 18/6:12.021 |
| 14 | 4 | 20.778 | 18/6:12.163 |
| 15 | 4 | 20.769 | 18/6:12.275 |
| 16 | 4 | 20.839 | 18/6:12.452 |
| 17 | 4 | 22.786 | 18/6:14.669 |
| 18 | 4 | 20.690 | 18/6:14.544 |