| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.471 | 20/6:09.420 |
| 2 | 1 | 19.339 | 20/6:18.100 |
| 3 | 1 | 17.980 | 20/6:11.933 |
| 4 | 1 | 19.078 | 20/6:14.340 |
| 5 | 2 | 19.922 | 19/6:00.202 |
| 6 | 1 | 18.351 | 20/6:17.137 |
| 7 | 1 | 18.227 | 20/6:15.337 |
| 8 | 1 | 18.824 | 20/6:15.480 |
| 9 | 1 | 18.504 | 20/6:14.880 |
| 10 | 1 | 18.399 | 20/6:14.190 |
| 11 | 1 | 18.221 | 20/6:13.302 |
| 12 | 1 | 18.701 | 20/6:13.362 |
| 13 | 1 | 19.161 | 20/6:14.120 |
| 14 | 1 | 18.160 | 20/6:13.340 |
| 15 | 1 | 20.029 | 20/6:15.156 |
| 16 | 1 | 20.418 | 20/6:17.231 |
| 17 | 1 | 18.582 | 20/6:16.902 |
| 18 | 1 | 19.176 | 20/6:17.270 |
| 19 | 1 | 18.345 | 20/6:16.724 |
| 20 | 1 | 18.200 | 20/6:16.088 |