| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.450 | 18/6:08.100 |
| 2 | 1 | 20.119 | 18/6:05.121 |
| 3 | 2 | 21.875 | 18/6:14.664 |
| 4 | 1 | 20.162 | 18/6:11.727 |
| 5 | 1 | 20.363 | 18/6:10.688 |
| 6 | 1 | 20.571 | 18/6:10.620 |
| 7 | 1 | 20.235 | 18/6:09.707 |
| 8 | 1 | 20.345 | 18/6:09.270 |
| 9 | 1 | 20.709 | 18/6:09.658 |
| 10 | 1 | 20.021 | 18/6:08.730 |
| 11 | 1 | 21.006 | 18/6:09.583 |
| 12 | 1 | 20.369 | 18/6:09.337 |
| 13 | 1 | 20.492 | 18/6:09.300 |
| 14 | 1 | 20.543 | 18/6:09.334 |
| 15 | 1 | 20.011 | 18/6:08.725 |
| 16 | 1 | 20.079 | 18/6:08.269 |
| 17 | 1 | 19.954 | 18/6:07.734 |
| 18 | 1 | 20.231 | 18/6:07.535 |