| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.282 | 18/6:05.076 |
| 2 | 1 | 19.875 | 18/6:01.413 |
| 3 | 1 | 19.927 | 18/6:00.504 |
| 4 | 1 | 20.051 | 18/6:00.607 |
| 5 | 2 | 21.965 | 18/6:07.560 |
| 6 | 1 | 20.353 | 18/6:07.359 |
| 7 | 1 | 20.125 | 18/6:06.629 |
| 8 | 1 | 20.354 | 18/6:06.597 |
| 9 | 1 | 20.185 | 18/6:06.234 |
| 10 | 1 | 20.456 | 18/6:06.431 |
| 11 | 1 | 20.453 | 18/6:06.588 |
| 12 | 1 | 20.463 | 18/6:06.734 |
| 13 | 1 | 21.497 | 18/6:08.288 |
| 14 | 1 | 20.578 | 18/6:08.439 |
| 15 | 1 | 24.385 | 18/6:13.139 |
| 16 | 1 | 19.908 | 18/6:12.214 |
| 17 | 1 | 20.278 | 18/6:11.790 |
| 18 | 1 | 19.755 | 18/6:10.890 |