| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.267 | 19/6:06.073 |
| 2 | 1 | 18.776 | 19/6:01.409 |
| 3 | 2 | 19.082 | 19/6:01.792 |
| 4 | 2 | 18.721 | 19/6:00.269 |
| 5 | 2 | 18.413 | 20/6:17.036 |
| 6 | 2 | 18.635 | 20/6:16.313 |
| 7 | 2 | 18.758 | 20/6:16.149 |
| 8 | 2 | 19.474 | 20/6:17.815 |
| 9 | 2 | 18.666 | 20/6:17.316 |
| 10 | 2 | 18.577 | 20/6:16.738 |
| 11 | 2 | 18.151 | 20/6:15.491 |
| 12 | 2 | 18.588 | 20/6:15.180 |
| 13 | 2 | 18.057 | 20/6:14.100 |
| 14 | 2 | 18.319 | 20/6:13.549 |
| 15 | 2 | 18.472 | 20/6:13.275 |
| 16 | 2 | 18.470 | 20/6:13.032 |
| 17 | 2 | 19.052 | 20/6:13.504 |
| 18 | 2 | 19.004 | 20/6:13.869 |
| 19 | 2 | 18.570 | 20/6:13.739 |
| 20 | 2 | 19.030 | 20/6:14.082 |