| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 21.497 | 20/7:09.940 |
| 2 | 1 | 20.587 | 20/7:00.840 |
| 3 | 1 | 21.287 | 20/7:02.473 |
| 4 | 1 | 21.089 | 20/7:02.300 |
| 5 | 1 | 20.719 | 20/7:00.716 |
| 6 | 1 | 23.143 | 20/7:07.740 |
| 7 | 1 | 20.584 | 20/7:05.446 |
| 8 | 2 | 26.795 | 20/7:19.253 |
| 9 | 2 | 21.333 | 20/7:17.853 |
| 10 | 2 | 20.767 | 20/7:15.602 |
| 11 | 2 | 20.370 | 20/7:13.038 |
| 12 | 2 | 22.048 | 20/7:13.698 |
| 13 | 2 | 21.317 | 20/7:13.132 |
| 14 | 2 | 20.280 | 20/7:11.166 |
| 15 | 2 | 21.417 | 20/7:10.977 |
| 16 | 2 | 21.303 | 20/7:10.670 |
| 17 | 2 | 20.969 | 20/7:10.006 |
| 18 | 2 | 22.549 | 20/7:11.171 |
| 19 | 2 | 20.992 | 20/7:10.575 |
| 20 | 2 | 21.383 | 20/7:10.429 |