| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.817 | 20/6:16.340 |
| 2 | 6 | 19.445 | 19/6:03.489 |
| 3 | 6 | 18.318 | 20/6:17.200 |
| 4 | 4 | 18.156 | 20/6:13.680 |
| 5 | 4 | 17.875 | 20/6:10.444 |
| 6 | 5 | 18.105 | 20/6:09.053 |
| 7 | 5 | 18.492 | 20/6:09.166 |
| 8 | 5 | 17.767 | 20/6:07.438 |
| 9 | 5 | 19.483 | 20/6:09.907 |
| 10 | 5 | 18.137 | 20/6:09.190 |
| 11 | 5 | 18.241 | 20/6:08.793 |
| 12 | 5 | 18.149 | 20/6:08.308 |
| 13 | 5 | 18.158 | 20/6:07.912 |
| 14 | 5 | 18.257 | 20/6:07.714 |
| 15 | 5 | 18.257 | 20/6:07.543 |
| 16 | 5 | 18.940 | 20/6:08.246 |
| 17 | 5 | 18.434 | 20/6:08.272 |
| 18 | 5 | 18.343 | 20/6:08.193 |
| 19 | 5 | 18.311 | 20/6:08.089 |
| 20 | 5 | 18.510 | 20/6:08.195 |