| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.512 | 21/6:07.752 |
| 2 | 1 | 17.814 | 21/6:10.923 |
| 3 | 1 | 17.701 | 21/6:11.189 |
| 4 | 1 | 18.470 | 21/6:15.359 |
| 5 | 1 | 17.846 | 21/6:15.241 |
| 6 | 1 | 17.791 | 21/6:14.969 |
| 7 | 1 | 17.288 | 21/6:13.266 |
| 8 | 1 | 18.129 | 21/6:14.196 |
| 9 | 1 | 17.784 | 21/6:14.115 |
| 10 | 1 | 17.812 | 21/6:14.109 |
| 11 | 1 | 18.364 | 21/6:15.157 |
| 12 | 1 | 17.803 | 21/6:15.050 |
| 13 | 1 | 18.039 | 21/6:15.339 |
| 14 | 1 | 18.279 | 21/6:15.948 |
| 15 | 1 | 17.660 | 21/6:15.609 |
| 16 | 1 | 17.242 | 21/6:14.763 |
| 17 | 1 | 17.933 | 21/6:14.871 |
| 18 | 1 | 17.860 | 21/6:14.882 |
| 19 | 2 | 20.452 | 21/6:17.756 |
| 20 | 2 | 17.918 | 21/6:17.682 |
| 21 | 2 | 17.923 | 21/6:17.620 |