| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.801 | 21/6:13.821 |
| 2 | 2 | 18.156 | 21/6:17.548 |
| 3 | 2 | 17.381 | 21/6:13.366 |
| 4 | 3 | 17.493 | 21/6:11.863 |
| 5 | 3 | 18.050 | 21/6:13.300 |
| 6 | 3 | 17.799 | 21/6:13.380 |
| 7 | 2 | 20.874 | 20/6:04.440 |
| 8 | 2 | 18.314 | 20/6:04.670 |
| 9 | 2 | 18.568 | 20/6:05.413 |
| 10 | 2 | 17.088 | 20/6:03.048 |
| 11 | 2 | 18.913 | 20/6:04.431 |
| 12 | 3 | 19.222 | 20/6:06.098 |
| 13 | 3 | 19.440 | 20/6:07.845 |
| 14 | 3 | 16.977 | 20/6:05.823 |
| 15 | 2 | 17.556 | 20/6:04.843 |
| 16 | 2 | 17.940 | 20/6:04.465 |
| 17 | 2 | 18.895 | 20/6:05.255 |
| 18 | 2 | 17.455 | 20/6:04.358 |
| 19 | 2 | 18.354 | 20/6:04.501 |
| 20 | 2 | 17.704 | 20/6:03.980 |