| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.206 | 20/6:04.120 |
| 2 | 4 | 19.821 | 19/6:01.257 |
| 3 | 4 | 18.979 | 19/6:01.038 |
| 4 | 4 | 18.086 | 20/6:15.460 |
| 5 | 4 | 17.835 | 20/6:11.708 |
| 6 | 4 | 18.260 | 20/6:10.623 |
| 7 | 4 | 18.133 | 20/6:09.486 |
| 8 | 4 | 19.392 | 20/6:11.780 |
| 9 | 4 | 17.954 | 20/6:10.369 |
| 10 | 4 | 18.300 | 20/6:09.932 |
| 11 | 4 | 17.703 | 20/6:08.489 |
| 12 | 4 | 17.709 | 20/6:07.297 |
| 13 | 4 | 17.488 | 20/6:05.948 |
| 14 | 4 | 18.547 | 20/6:06.304 |
| 15 | 4 | 17.648 | 20/6:05.415 |
| 16 | 4 | 17.691 | 20/6:04.690 |
| 17 | 4 | 17.633 | 20/6:03.982 |
| 18 | 4 | 18.976 | 20/6:04.846 |
| 19 | 4 | 18.367 | 20/6:04.977 |
| 20 | 4 | 17.758 | 20/6:04.486 |