| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.889 | 21/6:15.669 |
| 2 | 3 | 17.990 | 21/6:16.729 |
| 3 | 2 | 18.366 | 20/6:01.633 |
| 4 | 1 | 17.678 | 21/6:17.596 |
| 5 | 2 | 17.849 | 21/6:17.042 |
| 6 | 2 | 17.843 | 21/6:16.653 |
| 7 | 2 | 18.125 | 21/6:17.220 |
| 8 | 3 | 18.082 | 21/6:17.533 |
| 9 | 1 | 18.615 | 20/6:00.971 |
| 10 | 2 | 18.305 | 20/6:01.484 |
| 11 | 2 | 17.085 | 21/6:17.670 |
| 12 | 2 | 19.357 | 20/6:01.973 |
| 13 | 3 | 18.494 | 20/6:02.582 |
| 14 | 3 | 18.694 | 20/6:03.389 |
| 15 | 3 | 17.319 | 20/6:02.255 |
| 16 | 3 | 20.987 | 20/6:05.848 |
| 17 | 3 | 20.265 | 20/6:08.168 |
| 18 | 3 | 19.369 | 20/6:09.236 |
| 19 | 3 | 17.275 | 20/6:07.986 |
| 20 | 3 | 18.179 | 20/6:07.766 |