| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.325 | 18/6:05.850 |
| 2 | 4 | 21.751 | 18/6:18.684 |
| 3 | 3 | 19.918 | 18/6:11.964 |
| 4 | 3 | 21.030 | 18/6:13.608 |
| 5 | 4 | 21.152 | 18/6:15.034 |
| 6 | 3 | 19.827 | 18/6:12.009 |
| 7 | 3 | 20.824 | 18/6:12.412 |
| 8 | 3 | 20.685 | 18/6:12.402 |
| 9 | 3 | 19.900 | 18/6:10.824 |
| 10 | 3 | 20.054 | 18/6:09.839 |
| 11 | 2 | 19.462 | 18/6:08.064 |
| 12 | 2 | 19.865 | 18/6:07.190 |
| 13 | 2 | 20.521 | 18/6:07.358 |
| 14 | 3 | 25.215 | 18/6:13.537 |
| 15 | 3 | 19.976 | 18/6:12.606 |
| 16 | 3 | 20.108 | 18/6:11.940 |
| 17 | 3 | 20.037 | 18/6:11.276 |
| 18 | 3 | 23.284 | 18/6:13.934 |