| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.262 | 20/6:05.240 |
| 2 | 2 | 18.525 | 20/6:07.870 |
| 3 | 2 | 18.332 | 20/6:07.460 |
| 4 | 2 | 18.743 | 20/6:09.310 |
| 5 | 2 | 18.324 | 20/6:08.744 |
| 6 | 2 | 18.274 | 20/6:08.200 |
| 7 | 1 | 19.697 | 20/6:11.877 |
| 8 | 1 | 19.295 | 20/6:13.630 |
| 9 | 1 | 18.243 | 20/6:12.656 |
| 10 | 1 | 17.905 | 20/6:11.200 |
| 11 | 1 | 18.484 | 20/6:11.062 |
| 12 | 1 | 18.155 | 20/6:10.398 |
| 13 | 1 | 18.748 | 20/6:10.749 |
| 14 | 1 | 18.023 | 20/6:10.014 |
| 15 | 1 | 18.733 | 20/6:10.324 |
| 16 | 2 | 23.749 | 20/6:16.865 |
| 17 | 2 | 18.121 | 20/6:16.015 |
| 18 | 2 | 17.795 | 20/6:14.898 |
| 19 | 1 | 18.379 | 20/6:14.513 |
| 20 | 2 | 18.311 | 20/6:14.098 |