| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.528 | 17/6:05.976 |
| 2 | 3 | 21.088 | 17/6:02.236 |
| 3 | 1 | 18.809 | 18/6:08.550 |
| 4 | 1 | 19.474 | 18/6:04.046 |
| 5 | 4 | 26.528 | 17/6:05.252 |
| 6 | 4 | 19.814 | 17/6:00.516 |
| 7 | 3 | 19.626 | 18/6:17.658 |
| 8 | 3 | 21.986 | 18/6:19.919 |
| 9 | 3 | 23.693 | 17/6:03.698 |
| 10 | 3 | 19.932 | 17/6:01.213 |
| 11 | 3 | 19.798 | 18/6:20.088 |
| 12 | 3 | 19.177 | 18/6:17.179 |
| 13 | 3 | 19.330 | 18/6:14.930 |
| 14 | 3 | 20.312 | 18/6:14.265 |
| 15 | 3 | 20.573 | 18/6:14.002 |
| 16 | 3 | 26.001 | 18/6:19.878 |
| 17 | 4 | 21.480 | 18/6:20.275 |
| 18 | 4 | 20.205 | 18/6:19.354 |