| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.065 | 20/6:01.300 |
| 2 | 1 | 18.073 | 20/6:01.380 |
| 3 | 1 | 17.750 | 21/6:17.216 |
| 4 | 2 | 22.508 | 19/6:02.881 |
| 5 | 2 | 18.320 | 20/6:18.864 |
| 6 | 1 | 17.839 | 20/6:15.183 |
| 7 | 2 | 18.353 | 20/6:14.023 |
| 8 | 1 | 18.189 | 20/6:12.743 |
| 9 | 2 | 20.056 | 20/6:15.896 |
| 10 | 2 | 18.727 | 20/6:15.760 |
| 11 | 2 | 17.426 | 20/6:13.284 |
| 12 | 2 | 18.690 | 20/6:13.327 |
| 13 | 2 | 17.754 | 20/6:11.923 |
| 14 | 2 | 18.912 | 20/6:12.374 |
| 15 | 2 | 17.796 | 20/6:11.277 |
| 16 | 2 | 17.680 | 20/6:10.172 |
| 17 | 2 | 19.695 | 20/6:11.568 |
| 18 | 2 | 17.911 | 20/6:10.827 |
| 19 | 2 | 18.875 | 20/6:11.178 |
| 20 | 2 | 17.577 | 20/6:10.196 |