| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.103 | 18/6:01.854 |
| 2 | 4 | 20.642 | 18/6:06.705 |
| 3 | 4 | 19.592 | 18/6:02.022 |
| 4 | 3 | 20.659 | 18/6:04.482 |
| 5 | 3 | 20.327 | 18/6:04.763 |
| 6 | 3 | 19.474 | 18/6:02.391 |
| 7 | 3 | 20.226 | 18/6:02.631 |
| 8 | 2 | 20.078 | 18/6:02.477 |
| 9 | 2 | 20.261 | 18/6:02.724 |
| 10 | 2 | 20.004 | 18/6:02.459 |
| 11 | 2 | 19.867 | 18/6:02.018 |
| 12 | 2 | 20.243 | 18/6:02.214 |
| 13 | 1 | 20.459 | 18/6:02.679 |
| 14 | 2 | 20.251 | 18/6:02.811 |
| 15 | 1 | 21.284 | 18/6:04.164 |
| 16 | 2 | 20.563 | 18/6:04.537 |
| 17 | 3 | 25.108 | 18/6:09.679 |
| 18 | 3 | 20.036 | 18/6:09.177 |