| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.458 | 19/6:09.702 |
| 2 | 1 | 19.637 | 19/6:11.402 |
| 3 | 2 | 19.625 | 19/6:11.893 |
| 4 | 1 | 20.287 | 19/6:15.283 |
| 5 | 1 | 19.400 | 19/6:13.947 |
| 6 | 2 | 19.564 | 19/6:13.575 |
| 7 | 2 | 19.394 | 19/6:12.848 |
| 8 | 2 | 19.786 | 19/6:13.234 |
| 9 | 2 | 19.664 | 19/6:13.276 |
| 10 | 2 | 19.371 | 19/6:12.753 |
| 11 | 2 | 20.388 | 19/6:14.082 |
| 12 | 2 | 19.432 | 19/6:13.676 |
| 13 | 2 | 20.121 | 19/6:14.339 |
| 14 | 2 | 20.036 | 19/6:14.793 |
| 15 | 2 | 20.221 | 19/6:15.420 |
| 16 | 2 | 20.205 | 19/6:15.949 |
| 17 | 2 | 20.403 | 19/6:16.638 |
| 18 | 2 | 19.967 | 19/6:16.790 |
| 19 | 2 | 19.922 | 19/6:16.881 |