| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.374 | 20/6:07.480 |
| 2 | 3 | 18.503 | 20/6:08.770 |
| 3 | 3 | 19.109 | 20/6:13.240 |
| 4 | 3 | 18.114 | 20/6:10.500 |
| 5 | 3 | 18.694 | 20/6:11.176 |
| 6 | 2 | 18.513 | 20/6:11.023 |
| 7 | 2 | 18.095 | 20/6:09.720 |
| 8 | 2 | 18.380 | 20/6:09.455 |
| 9 | 2 | 17.810 | 20/6:07.982 |
| 10 | 2 | 19.190 | 20/6:09.564 |
| 11 | 2 | 18.153 | 20/6:08.973 |
| 12 | 2 | 18.736 | 20/6:09.452 |
| 13 | 2 | 18.307 | 20/6:09.197 |
| 14 | 2 | 17.746 | 20/6:08.177 |
| 15 | 2 | 18.528 | 20/6:08.336 |
| 16 | 2 | 18.149 | 20/6:08.001 |
| 17 | 3 | 18.527 | 20/6:08.151 |
| 18 | 3 | 18.624 | 20/6:08.391 |
| 19 | 3 | 18.399 | 20/6:08.369 |
| 20 | 3 | 18.180 | 20/6:08.131 |