| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.343 | 18/5:12.174 |
| 2 | 2 | 16.912 | 18/5:08.295 |
| 3 | 2 | 17.298 | 18/5:09.318 |
| 4 | 1 | 17.199 | 18/5:09.384 |
| 5 | 1 | 17.243 | 18/5:09.582 |
| 6 | 1 | 17.648 | 18/5:10.929 |
| 7 | 1 | 17.496 | 18/5:11.500 |
| 8 | 1 | 17.457 | 18/5:11.841 |
| 9 | 1 | 17.472 | 18/5:12.136 |
| 10 | 1 | 17.825 | 18/5:13.007 |
| 11 | 2 | 17.897 | 18/5:13.838 |
| 12 | 2 | 17.329 | 18/5:13.678 |
| 13 | 1 | 17.122 | 18/5:13.257 |
| 14 | 1 | 17.830 | 18/5:13.806 |
| 15 | 2 | 17.208 | 18/5:13.535 |
| 16 | 2 | 20.985 | 18/5:17.547 |
| 17 | 2 | 17.734 | 18/5:17.645 |
| 18 | 2 | 17.464 | 18/5:17.462 |