| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.649 | 20/6:12.980 |
| 2 | 2 | 18.938 | 20/6:15.870 |
| 3 | 2 | 19.088 | 20/6:17.833 |
| 4 | 2 | 19.162 | 19/6:00.226 |
| 5 | 3 | 19.910 | 19/6:03.839 |
| 6 | 3 | 18.964 | 19/6:03.252 |
| 7 | 3 | 19.702 | 19/6:04.835 |
| 8 | 3 | 19.773 | 19/6:06.192 |
| 9 | 3 | 19.272 | 19/6:06.189 |
| 10 | 3 | 18.901 | 19/6:05.482 |
| 11 | 3 | 19.471 | 19/6:05.888 |
| 12 | 3 | 20.173 | 19/6:07.338 |
| 13 | 3 | 19.476 | 19/6:07.546 |
| 14 | 3 | 18.666 | 19/6:06.625 |
| 15 | 3 | 19.210 | 19/6:06.516 |
| 16 | 3 | 19.232 | 19/6:06.447 |
| 17 | 3 | 18.864 | 19/6:05.975 |
| 18 | 3 | 18.816 | 19/6:05.504 |
| 19 | 3 | 18.752 | 19/6:05.019 |