| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 28.292 | N/A |
| 2 | 2 | 20.084 | 21/7:09.972 |
| 3 | 2 | 20.193 | 21/7:11.062 |
| 4 | 1 | 20.800 | 21/7:15.472 |
| 5 | 2 | 24.942 | 20/7:16.882 |
| 6 | 1 | 20.244 | 20/7:12.091 |
| 7 | 1 | 20.027 | 20/7:08.210 |
| 8 | 1 | 20.765 | 20/7:07.441 |
| 9 | 1 | 19.793 | 20/7:04.556 |
| 10 | 1 | 20.431 | 20/7:03.658 |
| 11 | 1 | 20.300 | 20/7:02.692 |
| 12 | 1 | 19.707 | 20/7:00.876 |
| 13 | 1 | 20.345 | 20/7:00.374 |
| 14 | 1 | 20.017 | 21/7:20.058 |
| 15 | 1 | 20.010 | 21/7:19.232 |
| 16 | 1 | 20.177 | 21/7:18.738 |
| 17 | 1 | 20.908 | 21/7:19.220 |
| 18 | 1 | 20.156 | 21/7:18.761 |
| 19 | 1 | 20.431 | 21/7:18.658 |
| 20 | 1 | 20.300 | 21/7:18.428 |
| 21 | 1 | 23.516 | 21/7:21.438 |