| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.276 | 20/6:05.052 |
| 2 | 2 | 18.093 | 20/6:03.069 |
| 3 | 2 | 18.319 | 20/6:04.586 |
| 4 | 3 | 18.857 | 20/6:07.725 |
| 5 | 2 | 17.937 | 20/6:05.928 |
| 6 | 2 | 18.117 | 20/6:05.033 |
| 7 | 2 | 18.800 | 20/6:06.854 |
| 8 | 2 | 19.688 | 20/6:10.217 |
| 9 | 2 | 19.058 | 20/6:11.433 |
| 10 | 2 | 18.718 | 20/6:11.726 |
| 11 | 3 | 26.361 | 19/6:06.568 |
| 12 | 3 | 18.430 | 19/6:05.202 |
| 13 | 3 | 19.276 | 19/6:05.282 |
| 14 | 3 | 18.133 | 19/6:03.799 |
| 15 | 3 | 17.954 | 19/6:02.288 |
| 16 | 3 | 18.866 | 19/6:02.048 |
| 17 | 3 | 19.269 | 19/6:02.287 |
| 18 | 3 | 19.518 | 19/6:02.762 |
| 19 | 3 | 18.388 | 19/6:02.058 |