| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.847 | 20/6:16.940 |
| 2 | 2 | 19.273 | 19/6:02.140 |
| 3 | 2 | 18.671 | 20/6:18.607 |
| 4 | 1 | 18.429 | 20/6:16.100 |
| 5 | 1 | 19.797 | 19/6:01.065 |
| 6 | 1 | 19.079 | 19/6:01.304 |
| 7 | 1 | 18.448 | 20/6:18.697 |
| 8 | 1 | 19.462 | 19/6:01.014 |
| 9 | 1 | 20.191 | 19/6:03.527 |
| 10 | 1 | 18.845 | 19/6:02.980 |
| 11 | 1 | 20.890 | 19/6:06.064 |
| 12 | 1 | 18.507 | 19/6:04.862 |
| 13 | 1 | 19.408 | 19/6:05.161 |
| 14 | 1 | 19.606 | 19/6:05.686 |
| 15 | 1 | 19.097 | 19/6:05.497 |
| 16 | 1 | 18.834 | 19/6:05.019 |
| 17 | 1 | 18.597 | 19/6:04.332 |
| 18 | 1 | 18.035 | 19/6:03.128 |
| 19 | 1 | 19.046 | 19/6:03.062 |