| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.867 | 18/6:15.606 |
| 2 | 1 | 20.507 | 18/6:12.366 |
| 3 | 1 | 20.486 | 18/6:11.160 |
| 4 | 1 | 20.228 | 18/6:09.396 |
| 5 | 1 | 20.730 | 18/6:10.145 |
| 6 | 1 | 20.385 | 18/6:09.609 |
| 7 | 1 | 20.493 | 18/6:09.504 |
| 8 | 1 | 20.570 | 18/6:09.599 |
| 9 | 1 | 20.255 | 18/6:09.042 |
| 10 | 1 | 20.816 | 18/6:09.607 |
| 11 | 1 | 23.346 | 18/6:14.209 |
| 12 | 1 | 22.393 | 18/6:16.614 |
| 13 | 1 | 20.843 | 18/6:16.503 |
| 14 | 1 | 22.133 | 18/6:18.067 |
| 15 | 1 | 20.891 | 18/6:17.932 |
| 16 | 1 | 21.558 | 18/6:18.564 |
| 17 | 1 | 20.696 | 18/6:18.209 |
| 18 | 1 | 20.920 | 18/6:18.117 |