| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.997 | 18/6:17.946 |
| 2 | 3 | 20.235 | 18/6:11.088 |
| 3 | 3 | 19.979 | 18/6:07.266 |
| 4 | 4 | 21.131 | 18/6:10.539 |
| 5 | 3 | 19.634 | 18/6:07.114 |
| 6 | 3 | 21.880 | 18/6:11.568 |
| 7 | 4 | 20.232 | 18/6:10.512 |
| 8 | 4 | 20.893 | 18/6:11.207 |
| 9 | 3 | 19.555 | 18/6:09.072 |
| 10 | 3 | 19.784 | 18/6:07.776 |
| 11 | 3 | 20.290 | 18/6:07.544 |
| 12 | 4 | 20.761 | 18/6:08.056 |
| 13 | 4 | 23.451 | 18/6:12.215 |
| 14 | 4 | 21.234 | 18/6:12.929 |
| 15 | 4 | 20.581 | 18/6:12.764 |
| 16 | 4 | 21.985 | 18/6:14.200 |
| 17 | 3 | 20.184 | 18/6:13.559 |
| 18 | 3 | 30.572 | 18/6:23.378 |