| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.935 | 18/6:16.830 |
| 2 | 5 | 22.596 | 17/6:10.013 |
| 3 | 5 | 20.882 | 17/6:05.007 |
| 4 | 5 | 20.484 | 17/6:00.812 |
| 5 | 6 | 20.157 | 18/6:18.194 |
| 6 | 5 | 19.462 | 18/6:13.548 |
| 7 | 5 | 20.306 | 18/6:12.399 |
| 8 | 5 | 19.926 | 18/6:10.683 |
| 9 | 5 | 20.728 | 18/6:10.952 |
| 10 | 6 | 21.106 | 18/6:11.848 |
| 11 | 6 | 20.403 | 18/6:11.430 |
| 12 | 6 | 19.296 | 18/6:09.421 |
| 13 | 6 | 20.756 | 18/6:09.744 |
| 14 | 6 | 20.506 | 18/6:09.698 |
| 15 | 6 | 21.248 | 18/6:10.549 |
| 16 | 6 | 20.602 | 18/6:10.567 |
| 17 | 6 | 19.831 | 18/6:09.767 |
| 18 | 6 | 20.170 | 18/6:09.394 |