| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.963 | 19/6:00.297 |
| 2 | 3 | 19.595 | 19/6:06.301 |
| 3 | 3 | 18.487 | 19/6:01.285 |
| 4 | 2 | 17.332 | 20/6:11.885 |
| 5 | 2 | 18.025 | 20/6:09.608 |
| 6 | 2 | 17.599 | 20/6:06.670 |
| 7 | 2 | 18.348 | 20/6:06.711 |
| 8 | 2 | 18.157 | 20/6:06.265 |
| 9 | 2 | 18.451 | 20/6:06.571 |
| 10 | 2 | 17.980 | 20/6:05.874 |
| 11 | 2 | 18.065 | 20/6:05.458 |
| 12 | 2 | 17.774 | 20/6:04.627 |
| 13 | 2 | 17.737 | 20/6:03.866 |
| 14 | 2 | 17.485 | 20/6:02.854 |
| 15 | 2 | 17.504 | 20/6:02.003 |
| 16 | 2 | 17.783 | 20/6:01.606 |
| 17 | 2 | 18.358 | 20/6:01.933 |
| 18 | 2 | 17.993 | 20/6:01.818 |