| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 24.951 | N/A |
| 2 | 3 | 20.219 | 21/7:09.331 |
| 3 | 3 | 20.173 | 21/7:08.871 |
| 4 | 3 | 22.998 | 20/7:06.421 |
| 5 | 3 | 22.310 | 20/7:12.026 |
| 6 | 3 | 20.975 | 20/7:10.316 |
| 7 | 2 | 19.593 | 20/7:04.799 |
| 8 | 2 | 19.660 | 20/7:01.041 |
| 9 | 2 | 19.478 | 21/7:18.466 |
| 10 | 2 | 21.039 | 21/7:19.273 |
| 11 | 1 | 20.894 | 21/7:19.629 |
| 12 | 1 | 20.712 | 21/7:19.589 |
| 13 | 2 | 22.075 | 20/7:00.983 |
| 14 | 1 | 19.879 | 21/7:20.343 |
| 15 | 1 | 20.563 | 21/7:20.048 |
| 16 | 1 | 20.366 | 21/7:19.529 |
| 17 | 1 | 20.120 | 21/7:18.768 |
| 18 | 1 | 19.499 | 21/7:17.366 |
| 19 | 1 | 19.467 | 21/7:16.084 |
| 20 | 1 | 21.306 | 21/7:16.873 |
| 21 | 1 | 19.768 | 21/7:16.045 |