| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.259 | 18/6:04.662 |
| 2 | 1 | 19.833 | 18/6:00.828 |
| 3 | 1 | 20.812 | 18/6:05.424 |
| 4 | 1 | 20.407 | 18/6:05.899 |
| 5 | 1 | 20.307 | 18/6:05.825 |
| 6 | 1 | 20.009 | 18/6:04.881 |
| 7 | 1 | 19.941 | 18/6:04.032 |
| 8 | 1 | 20.522 | 18/6:04.702 |
| 9 | 1 | 20.963 | 18/6:06.106 |
| 10 | 1 | 20.310 | 18/6:06.053 |
| 11 | 1 | 21.300 | 18/6:07.630 |
| 12 | 1 | 20.787 | 18/6:08.175 |
| 13 | 1 | 20.283 | 18/6:07.938 |
| 14 | 1 | 20.413 | 18/6:07.902 |
| 15 | 1 | 20.462 | 18/6:07.930 |
| 16 | 1 | 20.742 | 18/6:08.269 |
| 17 | 1 | 20.134 | 18/6:07.924 |
| 18 | 1 | 20.851 | 18/6:08.335 |