| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.653 | 21/6:10.713 |
| 2 | 3 | 17.950 | 21/6:13.831 |
| 3 | 3 | 17.457 | 21/6:11.420 |
| 4 | 2 | 17.979 | 21/6:12.955 |
| 5 | 2 | 17.855 | 21/6:13.355 |
| 6 | 3 | 18.645 | 21/6:16.386 |
| 7 | 3 | 17.893 | 21/6:16.296 |
| 8 | 5 | 18.233 | 21/6:17.121 |
| 9 | 4 | 18.888 | 20/6:01.229 |
| 10 | 3 | 18.297 | 20/6:01.700 |
| 11 | 2 | 17.859 | 20/6:01.289 |
| 12 | 2 | 18.560 | 20/6:02.115 |
| 13 | 3 | 18.139 | 20/6:02.166 |
| 14 | 4 | 23.525 | 20/6:09.904 |
| 15 | 4 | 18.794 | 20/6:10.303 |
| 16 | 4 | 18.421 | 20/6:10.185 |
| 17 | 4 | 19.839 | 20/6:11.749 |
| 18 | 4 | 18.613 | 20/6:11.778 |
| 19 | 4 | 18.578 | 20/6:11.766 |
| 20 | 4 | 17.887 | 20/6:11.065 |