| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 17.849 | 21/6:14.829 |
| 2 | 5 | 16.842 | 21/6:04.256 |
| 3 | 3 | 16.832 | 21/6:00.661 |
| 4 | 3 | 16.889 | 22/6:16.266 |
| 5 | 3 | 17.069 | 22/6:16.116 |
| 6 | 3 | 17.449 | 21/6:00.255 |
| 7 | 3 | 18.016 | 21/6:02.838 |
| 8 | 3 | 17.230 | 21/6:02.712 |
| 9 | 3 | 17.037 | 21/6:02.164 |
| 10 | 4 | 21.813 | 21/6:11.755 |
| 11 | 3 | 17.122 | 21/6:10.646 |
| 12 | 4 | 16.714 | 21/6:09.008 |
| 13 | 3 | 18.778 | 21/6:10.957 |
| 14 | 4 | 17.489 | 21/6:10.693 |
| 15 | 4 | 17.372 | 21/6:10.301 |
| 16 | 4 | 20.411 | 21/6:13.947 |
| 17 | 4 | 17.850 | 21/6:14.000 |
| 18 | 4 | 17.379 | 21/6:13.498 |
| 19 | 4 | 20.383 | 21/6:16.369 |
| 20 | 4 | 20.984 | 20/6:01.508 |