| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.077 | 18/6:01.386 |
| 2 | 1 | 20.364 | 18/6:03.969 |
| 3 | 1 | 20.272 | 18/6:04.278 |
| 4 | 1 | 20.263 | 18/6:04.392 |
| 5 | 1 | 20.052 | 18/6:03.701 |
| 6 | 1 | 21.299 | 18/6:06.981 |
| 7 | 1 | 19.695 | 18/6:05.199 |
| 8 | 1 | 19.824 | 18/6:04.154 |
| 9 | 2 | 20.666 | 18/6:05.024 |
| 10 | 2 | 20.076 | 18/6:04.658 |
| 11 | 1 | 20.023 | 18/6:04.273 |
| 12 | 1 | 20.630 | 18/6:04.861 |
| 13 | 1 | 20.354 | 18/6:04.978 |
| 14 | 1 | 20.053 | 18/6:04.690 |
| 15 | 1 | 19.972 | 18/6:04.344 |
| 16 | 1 | 20.828 | 18/6:05.004 |
| 17 | 1 | 20.417 | 18/6:05.151 |
| 18 | 1 | 20.648 | 18/6:05.513 |