| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 20.514 | 21/7:10.794 |
| 2 | 5 | 21.213 | 21/7:18.134 |
| 3 | 5 | 20.589 | 21/7:16.212 |
| 4 | 5 | 21.364 | 21/7:19.320 |
| 5 | 6 | 23.535 | 20/7:08.860 |
| 6 | 6 | 22.702 | 20/7:13.057 |
| 7 | 6 | 24.377 | 20/7:20.840 |
| 8 | 6 | 20.366 | 20/7:16.650 |
| 9 | 6 | 19.916 | 20/7:12.391 |
| 10 | 6 | 19.620 | 20/7:08.392 |
| 11 | 6 | 21.245 | 20/7:08.075 |
| 12 | 5 | 20.604 | 20/7:06.742 |
| 13 | 4 | 20.078 | 20/7:04.805 |
| 14 | 6 | 22.731 | 20/7:06.934 |
| 15 | 6 | 21.644 | 20/7:07.331 |
| 16 | 6 | 22.685 | 20/7:08.979 |
| 17 | 6 | 22.309 | 20/7:09.991 |
| 18 | 6 | 20.996 | 20/7:09.431 |
| 19 | 6 | 20.668 | 20/7:08.585 |
| 20 | 6 | 20.799 | 20/7:07.955 |