| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.297 | 18/6:05.346 |
| 2 | 2 | 20.472 | 18/6:06.921 |
| 3 | 1 | 19.626 | 18/6:02.370 |
| 4 | 2 | 20.320 | 18/6:03.218 |
| 5 | 1 | 19.907 | 18/6:02.239 |
| 6 | 1 | 19.900 | 18/6:01.566 |
| 7 | 2 | 21.133 | 18/6:04.256 |
| 8 | 2 | 20.020 | 18/6:03.769 |
| 9 | 2 | 20.322 | 18/6:03.994 |
| 10 | 2 | 20.464 | 18/6:04.430 |
| 11 | 2 | 19.845 | 18/6:03.773 |
| 12 | 1 | 20.152 | 18/6:03.687 |
| 13 | 1 | 20.453 | 18/6:04.031 |
| 14 | 1 | 20.032 | 18/6:03.784 |
| 15 | 1 | 20.270 | 18/6:03.856 |
| 16 | 2 | 22.115 | 18/6:05.994 |
| 17 | 2 | 21.063 | 18/6:06.767 |
| 18 | 2 | 20.194 | 18/6:06.585 |