| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 24.188 | N/A |
| 2 | 5 | 20.042 | 18/6:04.902 |
| 3 | 5 | 19.921 | 18/6:03.873 |
| 4 | 3 | 20.093 | 18/6:04.505 |
| 5 | 2 | 19.834 | 18/6:03.720 |
| 6 | 2 | 19.787 | 18/6:03.089 |
| 7 | 2 | 19.986 | 18/6:03.233 |
| 8 | 2 | 19.970 | 18/6:03.296 |
| 9 | 2 | 19.839 | 18/6:03.066 |
| 10 | 3 | 20.675 | 18/6:04.465 |
| 11 | 3 | 20.056 | 18/6:04.533 |
| 12 | 4 | 19.957 | 18/6:04.435 |
| 13 | 4 | 21.376 | 18/6:06.364 |
| 14 | 3 | 20.669 | 18/6:07.071 |
| 15 | 3 | 21.619 | 18/6:08.831 |
| 16 | 3 | 20.139 | 18/6:08.679 |
| 17 | 3 | 20.087 | 18/6:08.491 |
| 18 | 3 | 20.463 | 18/6:08.701 |