| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.807 | N/A |
| 2 | 4 | 21.098 | 18/6:19.473 |
| 3 | 4 | 20.656 | 18/6:15.716 |
| 4 | 3 | 20.439 | 18/6:13.234 |
| 5 | 3 | 19.588 | 18/6:08.376 |
| 6 | 3 | 19.371 | 18/6:04.723 |
| 7 | 3 | 19.093 | 18/6:01.501 |
| 8 | 3 | 20.084 | 18/6:01.606 |
| 9 | 2 | 20.829 | 18/6:03.267 |
| 10 | 2 | 18.712 | 18/6:00.561 |
| 11 | 3 | 20.693 | 18/6:01.764 |
| 12 | 2 | 19.868 | 18/6:01.473 |
| 13 | 2 | 18.697 | 19/6:19.499 |
| 14 | 2 | 18.911 | 19/6:18.091 |
| 15 | 2 | 21.978 | 18/6:00.827 |
| 16 | 3 | 25.036 | 18/6:06.533 |
| 17 | 3 | 18.475 | 18/6:04.555 |
| 18 | 3 | 19.083 | 18/6:03.418 |