| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 21.159 | N/A |
| 2 | 3 | 22.999 | 21/8:01.139 |
| 3 | 5 | 28.084 | 19/8:00.906 |
| 4 | 3 | 22.366 | 20/8:06.336 |
| 5 | 3 | 22.067 | 21/8:18.739 |
| 6 | 3 | 22.382 | 21/8:12.751 |
| 7 | 3 | 22.642 | 21/8:09.625 |
| 8 | 3 | 21.107 | 21/8:03.007 |
| 9 | 3 | 23.432 | 21/8:03.856 |
| 10 | 3 | 21.265 | 22/8:22.628 |
| 11 | 3 | 23.005 | 22/8:22.791 |
| 12 | 4 | 26.323 | 21/8:06.017 |
| 13 | 3 | 23.142 | 21/8:05.849 |
| 14 | 3 | 21.958 | 21/8:03.885 |
| 15 | 3 | 21.962 | 21/8:02.207 |
| 16 | 4 | 25.913 | 21/8:06.021 |
| 17 | 4 | 28.522 | 21/8:12.620 |
| 18 | 4 | 21.679 | 21/8:10.391 |
| 19 | 4 | 22.318 | 21/8:09.121 |
| 20 | 4 | 20.678 | 21/8:06.257 |
| 21 | 4 | 24.906 | 21/8:07.909 |