| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.140 | 21/7:02.940 |
| 2 | 2 | 21.095 | 21/7:12.967 |
| 3 | 2 | 20.604 | 21/7:12.873 |
| 4 | 2 | 19.075 | 21/7:04.798 |
| 5 | 2 | 20.496 | 21/7:05.922 |
| 6 | 2 | 20.574 | 21/7:06.944 |
| 7 | 1 | 20.257 | 21/7:06.723 |
| 8 | 2 | 24.230 | 21/7:16.986 |
| 9 | 2 | 21.353 | 21/7:18.256 |
| 10 | 2 | 19.735 | 21/7:15.874 |
| 11 | 2 | 19.659 | 21/7:13.780 |
| 12 | 2 | 19.815 | 21/7:12.308 |
| 13 | 2 | 19.832 | 21/7:11.090 |
| 14 | 2 | 20.309 | 21/7:10.761 |
| 15 | 2 | 19.257 | 21/7:09.003 |
| 16 | 2 | 19.077 | 21/7:07.229 |
| 17 | 2 | 19.877 | 21/7:06.652 |
| 18 | 2 | 21.163 | 21/7:07.639 |
| 19 | 2 | 19.775 | 21/7:06.989 |
| 20 | 2 | 19.470 | 21/7:06.083 |
| 21 | 2 | 19.644 | 21/7:05.437 |