| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 23.039 | N/A |
| 2 | 3 | 20.811 | 21/7:19.259 |
| 3 | 3 | 19.517 | 21/7:06.319 |
| 4 | 2 | 20.044 | 21/7:05.519 |
| 5 | 2 | 21.804 | 21/7:13.919 |
| 6 | 2 | 20.780 | 21/7:14.863 |
| 7 | 2 | 19.841 | 21/7:12.362 |
| 8 | 2 | 19.873 | 21/7:10.667 |
| 9 | 2 | 20.213 | 21/7:10.246 |
| 10 | 3 | 22.833 | 21/7:15.741 |
| 11 | 3 | 20.526 | 21/7:15.523 |
| 12 | 3 | 23.887 | 20/7:00.534 |
| 13 | 3 | 20.440 | 21/7:20.654 |
| 14 | 3 | 20.896 | 21/7:20.677 |
| 15 | 2 | 20.667 | 21/7:20.370 |
| 16 | 2 | 20.660 | 21/7:20.095 |
| 17 | 2 | 20.016 | 21/7:19.049 |
| 18 | 3 | 20.729 | 21/7:18.964 |