| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.681 | 20/6:13.620 |
| 2 | 1 | 18.120 | 20/6:08.010 |
| 3 | 1 | 17.762 | 20/6:03.753 |
| 4 | 1 | 19.557 | 20/6:10.600 |
| 5 | 1 | 17.976 | 20/6:08.384 |
| 6 | 1 | 18.142 | 20/6:07.460 |
| 7 | 1 | 18.449 | 20/6:07.677 |
| 8 | 1 | 18.517 | 20/6:08.010 |
| 9 | 1 | 18.278 | 20/6:07.738 |
| 10 | 1 | 18.204 | 20/6:07.372 |
| 11 | 1 | 18.329 | 20/6:07.300 |
| 12 | 1 | 17.987 | 20/6:06.670 |
| 13 | 1 | 18.265 | 20/6:06.565 |
| 14 | 1 | 18.197 | 20/6:06.377 |
| 15 | 1 | 18.718 | 20/6:06.909 |
| 16 | 1 | 17.704 | 20/6:06.108 |
| 17 | 1 | 23.137 | 20/6:11.792 |
| 18 | 1 | 21.207 | 20/6:14.700 |
| 19 | 1 | 18.386 | 20/6:14.333 |
| 20 | 2 | 21.395 | 20/6:17.011 |