| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.619 | 21/6:09.999 |
| 2 | 3 | 17.741 | 21/6:11.280 |
| 3 | 3 | 17.263 | 21/6:08.361 |
| 4 | 3 | 17.653 | 21/6:08.949 |
| 5 | 4 | 20.678 | 20/6:03.816 |
| 6 | 3 | 17.470 | 20/6:01.413 |
| 7 | 3 | 17.620 | 20/6:00.126 |
| 8 | 5 | 22.591 | 20/6:11.588 |
| 9 | 4 | 17.637 | 20/6:09.493 |
| 10 | 5 | 17.891 | 20/6:08.326 |
| 11 | 5 | 17.126 | 20/6:05.980 |
| 12 | 4 | 18.509 | 20/6:06.330 |
| 13 | 4 | 19.911 | 20/6:08.783 |
| 14 | 4 | 19.407 | 20/6:10.166 |
| 15 | 4 | 18.500 | 20/6:10.155 |
| 16 | 4 | 17.159 | 20/6:08.469 |
| 17 | 4 | 18.795 | 20/6:08.906 |
| 18 | 5 | 19.663 | 20/6:10.259 |
| 19 | 6 | 25.162 | 20/6:17.258 |
| 20 | 6 | 17.264 | 20/6:15.659 |