| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.773 | N/A |
| 2 | 1 | 20.923 | 21/7:17.233 |
| 3 | 1 | 20.860 | 21/7:16.603 |
| 4 | 1 | 20.843 | 21/7:16.279 |
| 5 | 2 | 27.661 | 19/7:05.064 |
| 6 | 2 | 21.021 | 20/7:21.743 |
| 7 | 2 | 23.412 | 19/7:02.933 |
| 8 | 3 | 30.294 | 19/7:23.094 |
| 9 | 3 | 21.092 | 19/7:17.511 |
| 10 | 3 | 20.664 | 19/7:12.313 |
| 11 | 2 | 22.269 | 19/7:11.043 |
| 12 | 2 | 20.908 | 19/7:07.777 |
| 13 | 3 | 23.300 | 19/7:08.643 |
| 14 | 3 | 20.762 | 19/7:05.862 |
| 15 | 2 | 22.380 | 19/7:05.558 |
| 16 | 2 | 20.512 | 19/7:03.054 |
| 17 | 3 | 25.839 | 19/7:06.855 |
| 18 | 2 | 21.396 | 19/7:05.505 |
| 19 | 2 | 21.435 | 19/7:04.344 |