| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.147 | 20/6:02.940 |
| 2 | 1 | 18.917 | 20/6:10.640 |
| 3 | 1 | 18.526 | 20/6:10.600 |
| 4 | 1 | 18.648 | 20/6:11.190 |
| 5 | 1 | 18.401 | 20/6:10.556 |
| 6 | 1 | 17.902 | 20/6:08.470 |
| 7 | 1 | 18.068 | 20/6:07.454 |
| 8 | 1 | 19.277 | 20/6:09.715 |
| 9 | 1 | 18.161 | 20/6:08.993 |
| 10 | 1 | 18.539 | 20/6:09.172 |
| 11 | 1 | 18.954 | 20/6:10.073 |
| 12 | 2 | 22.520 | 20/6:16.767 |
| 13 | 2 | 18.582 | 20/6:16.372 |
| 14 | 2 | 18.403 | 20/6:15.779 |
| 15 | 2 | 18.530 | 20/6:15.433 |
| 16 | 2 | 18.610 | 20/6:15.231 |
| 17 | 2 | 18.571 | 20/6:15.007 |
| 18 | 2 | 18.999 | 20/6:15.283 |
| 19 | 2 | 20.733 | 20/6:17.356 |
| 20 | 2 | 18.411 | 20/6:16.899 |