| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 6 | 29.532 | N/A |
| 2 | 4 | 23.758 | 20/8:00.934 |
| 3 | 5 | 25.515 | 20/8:17.625 |
| 4 | 6 | 26.923 | 19/8:06.708 |
| 5 | 6 | 23.718 | 20/8:24.123 |
| 6 | 5 | 20.036 | 20/8:05.342 |
| 7 | 6 | 26.868 | 20/8:14.455 |
| 8 | 5 | 23.150 | 20/8:10.873 |
| 9 | 5 | 22.291 | 20/8:06.147 |
| 10 | 5 | 24.170 | 20/8:06.437 |
| 11 | 5 | 30.680 | 20/8:19.039 |
| 12 | 5 | 21.713 | 20/8:13.860 |
| 13 | 5 | 21.494 | 20/8:09.199 |
| 14 | 5 | 21.527 | 20/8:05.302 |
| 15 | 5 | 25.065 | 20/8:06.764 |
| 16 | 5 | 20.155 | 20/8:01.811 |
| 17 | 5 | 21.753 | 21/8:23.052 |
| 18 | 5 | 24.372 | 20/8:00.153 |
| 19 | 4 | 21.372 | 21/8:21.265 |
| 20 | 4 | 21.894 | 21/8:19.483 |
| 21 | 4 | 27.797 | 21/8:23.783 |