| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.532 | 21/6:08.172 |
| 2 | 1 | 17.943 | 21/6:12.487 |
| 3 | 6 | 35.869 | 16/6:20.501 |
| 4 | 6 | 17.961 | 17/6:19.546 |
| 5 | 6 | 18.260 | 17/6:05.721 |
| 6 | 6 | 17.792 | 18/6:16.071 |
| 7 | 6 | 17.927 | 18/6:08.444 |
| 8 | 6 | 18.039 | 18/6:02.976 |
| 9 | 6 | 17.916 | 19/6:18.393 |
| 10 | 6 | 18.140 | 19/6:15.020 |
| 11 | 6 | 18.125 | 19/6:12.234 |
| 12 | 6 | 19.392 | 19/6:11.918 |
| 13 | 6 | 18.412 | 19/6:10.219 |
| 14 | 6 | 18.710 | 19/6:09.167 |
| 15 | 6 | 18.412 | 19/6:07.878 |
| 16 | 6 | 18.480 | 19/6:06.830 |
| 17 | 6 | 18.203 | 19/6:05.596 |
| 18 | 6 | 18.365 | 19/6:04.671 |
| 19 | 7 | 18.565 | 19/6:04.043 |