| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 47.554 | N/A |
| 2 | 2 | 26.070 | 18/8:10.744 |
| 3 | 2 | 24.930 | 18/8:01.054 |
| 4 | 3 | 30.630 | 17/8:02.914 |
| 5 | 4 | 24.810 | 18/8:19.924 |
| 6 | 3 | 26.880 | 18/8:20.842 |
| 7 | 3 | 26.430 | 18/8:20.179 |
| 8 | 3 | 27.820 | 18/8:23.081 |
| 9 | 3 | 26.310 | 18/8:22.049 |
| 10 | 4 | 29.120 | 18/8:26.554 |
| 11 | 5 | 27.500 | 17/8:00.354 |
| 12 | 5 | 26.880 | 17/8:00.106 |
| 13 | 4 | 27.940 | 17/8:01.314 |
| 14 | 4 | 27.680 | 17/8:02.015 |
| 15 | 4 | 25.820 | 17/8:00.491 |
| 16 | 4 | 26.370 | 18/8:26.769 |
| 17 | 4 | 25.880 | 18/8:25.565 |
| 18 | 4 | 26.250 | 18/8:24.874 |