| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.790 | 20/6:15.800 |
| 2 | 3 | 19.486 | 19/6:03.622 |
| 3 | 3 | 21.696 | 19/6:19.823 |
| 4 | 3 | 18.653 | 19/6:13.469 |
| 5 | 3 | 18.709 | 19/6:09.869 |
| 6 | 3 | 18.636 | 19/6:07.238 |
| 7 | 3 | 19.179 | 19/6:06.833 |
| 8 | 3 | 18.862 | 19/6:05.776 |
| 9 | 3 | 18.399 | 19/6:03.977 |
| 10 | 3 | 18.660 | 19/6:03.033 |
| 11 | 4 | 18.567 | 19/6:02.100 |
| 12 | 4 | 18.540 | 19/6:01.280 |
| 13 | 4 | 18.230 | 19/6:00.133 |
| 14 | 4 | 19.153 | 19/6:00.403 |
| 15 | 4 | 18.850 | 19/6:00.253 |
| 16 | 4 | 18.774 | 19/6:00.031 |
| 17 | 4 | 18.661 | 20/6:18.641 |
| 18 | 4 | 19.003 | 20/6:18.720 |
| 19 | 4 | 18.214 | 20/6:17.960 |
| 20 | 4 | 18.358 | 20/6:17.420 |