| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.944 | 21/6:16.824 |
| 2 | 1 | 17.979 | 21/6:17.192 |
| 3 | 1 | 18.076 | 21/6:17.993 |
| 4 | 2 | 17.669 | 21/6:16.257 |
| 5 | 2 | 18.298 | 21/6:17.857 |
| 6 | 3 | 20.620 | 20/6:08.620 |
| 7 | 3 | 17.844 | 20/6:06.943 |
| 8 | 3 | 18.390 | 20/6:07.050 |
| 9 | 4 | 18.062 | 20/6:06.404 |
| 10 | 3 | 17.748 | 20/6:05.260 |
| 11 | 4 | 24.724 | 20/6:17.007 |
| 12 | 5 | 20.385 | 19/6:00.587 |
| 13 | 5 | 19.997 | 19/6:02.076 |
| 14 | 4 | 17.643 | 19/6:00.157 |
| 15 | 4 | 17.349 | 20/6:16.971 |
| 16 | 3 | 17.726 | 20/6:15.567 |
| 17 | 3 | 17.909 | 20/6:14.545 |
| 18 | 3 | 17.898 | 20/6:13.623 |
| 19 | 3 | 17.171 | 20/6:12.034 |
| 20 | 3 | 17.386 | 20/6:10.818 |