| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.364 | 20/6:07.280 |
| 2 | 2 | 18.531 | 20/6:08.950 |
| 3 | 1 | 18.405 | 20/6:08.667 |
| 4 | 1 | 18.224 | 20/6:07.620 |
| 5 | 1 | 19.404 | 20/6:11.712 |
| 6 | 3 | 21.841 | 19/6:03.435 |
| 7 | 3 | 17.410 | 20/6:17.654 |
| 8 | 2 | 18.201 | 20/6:15.950 |
| 9 | 2 | 17.526 | 20/6:13.124 |
| 10 | 3 | 21.664 | 19/6:00.183 |
| 11 | 3 | 18.781 | 20/6:18.820 |
| 12 | 3 | 20.190 | 19/6:01.857 |
| 13 | 3 | 18.034 | 19/6:00.379 |
| 14 | 3 | 18.166 | 20/6:18.201 |
| 15 | 2 | 18.180 | 20/6:17.228 |
| 16 | 2 | 18.163 | 20/6:16.355 |
| 17 | 4 | 20.490 | 20/6:18.322 |
| 18 | 3 | 17.645 | 20/6:16.910 |
| 19 | 2 | 17.896 | 20/6:15.911 |
| 20 | 2 | 18.202 | 20/6:15.317 |