| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.644 | N/A |
| 2 | 4 | 20.209 | 18/6:02.197 |
| 3 | 3 | 20.176 | 18/6:01.916 |
| 4 | 4 | 21.543 | 18/6:09.569 |
| 5 | 4 | 19.933 | 18/6:06.553 |
| 6 | 4 | 21.621 | 18/6:10.482 |
| 7 | 4 | 20.384 | 18/6:09.597 |
| 8 | 3 | 19.998 | 18/6:08.028 |
| 9 | 4 | 21.159 | 18/6:09.317 |
| 10 | 3 | 19.991 | 18/6:08.114 |
| 11 | 3 | 21.224 | 18/6:09.248 |
| 12 | 3 | 22.859 | 18/6:12.703 |
| 13 | 3 | 19.957 | 18/6:11.470 |
| 14 | 3 | 19.912 | 18/6:10.368 |
| 15 | 4 | 20.244 | 18/6:09.827 |
| 16 | 4 | 19.577 | 18/6:08.602 |
| 17 | 4 | 20.446 | 18/6:08.454 |
| 18 | 4 | 20.865 | 18/6:08.742 |