| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.013 | 20/6:00.260 |
| 2 | 1 | 18.396 | 20/6:04.090 |
| 3 | 1 | 18.812 | 20/6:08.140 |
| 4 | 2 | 19.980 | 20/6:16.005 |
| 5 | 4 | 19.298 | 20/6:17.996 |
| 6 | 4 | 19.620 | 19/6:01.377 |
| 7 | 3 | 17.868 | 20/6:17.106 |
| 8 | 4 | 18.824 | 20/6:17.028 |
| 9 | 4 | 19.071 | 20/6:17.516 |
| 10 | 4 | 17.651 | 20/6:15.066 |
| 11 | 4 | 18.239 | 20/6:14.131 |
| 12 | 4 | 19.301 | 20/6:15.122 |
| 13 | 4 | 18.319 | 20/6:14.449 |
| 14 | 4 | 18.929 | 20/6:14.744 |
| 15 | 4 | 18.833 | 20/6:14.872 |
| 16 | 4 | 18.134 | 20/6:14.110 |
| 17 | 4 | 18.767 | 20/6:14.182 |
| 18 | 4 | 18.828 | 20/6:14.314 |
| 19 | 4 | 18.298 | 20/6:13.875 |
| 20 | 5 | 21.391 | 20/6:16.572 |