| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.424 | 20/6:08.480 |
| 2 | 1 | 17.037 | 21/6:12.340 |
| 3 | 2 | 21.185 | 20/6:17.640 |
| 4 | 2 | 19.010 | 20/6:18.280 |
| 5 | 2 | 18.931 | 20/6:18.348 |
| 6 | 2 | 18.045 | 20/6:15.440 |
| 7 | 1 | 17.601 | 20/6:12.094 |
| 8 | 1 | 17.312 | 20/6:08.863 |
| 9 | 1 | 18.364 | 20/6:08.687 |
| 10 | 1 | 18.070 | 20/6:07.958 |
| 11 | 1 | 19.788 | 20/6:10.485 |
| 12 | 1 | 17.896 | 20/6:09.438 |
| 13 | 1 | 17.398 | 20/6:07.786 |
| 14 | 1 | 17.798 | 20/6:06.941 |
| 15 | 1 | 17.565 | 20/6:05.899 |
| 16 | 1 | 18.809 | 20/6:06.541 |
| 17 | 1 | 17.226 | 20/6:05.246 |
| 18 | 1 | 18.014 | 20/6:04.970 |
| 19 | 1 | 17.945 | 20/6:04.651 |
| 20 | 1 | 17.686 | 20/6:04.104 |