| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 17.838 | 21/6:14.598 |
| 2 | 3 | 17.619 | 21/6:12.298 |
| 3 | 2 | 17.867 | 21/6:13.268 |
| 4 | 2 | 17.715 | 21/6:12.955 |
| 5 | 4 | 18.650 | 21/6:16.694 |
| 6 | 3 | 17.794 | 21/6:16.190 |
| 7 | 3 | 20.852 | 20/6:06.671 |
| 8 | 4 | 18.951 | 20/6:08.215 |
| 9 | 4 | 17.417 | 20/6:06.007 |
| 10 | 4 | 18.422 | 20/6:06.250 |
| 11 | 4 | 18.551 | 20/6:06.684 |
| 12 | 4 | 18.818 | 20/6:07.490 |
| 13 | 4 | 17.051 | 20/6:05.454 |
| 14 | 4 | 17.826 | 20/6:04.816 |
| 15 | 4 | 17.759 | 20/6:04.173 |
| 16 | 3 | 17.440 | 20/6:03.212 |
| 17 | 4 | 18.324 | 20/6:03.405 |
| 18 | 4 | 18.587 | 20/6:03.868 |
| 19 | 4 | 18.896 | 20/6:04.607 |
| 20 | 3 | 18.357 | 20/6:04.734 |