| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 21.531 | N/A |
| 2 | 2 | 21.619 | 23/8:17.149 |
| 3 | 2 | 20.905 | 23/8:09.295 |
| 4 | 3 | 21.743 | 23/8:12.822 |
| 5 | 2 | 20.231 | 23/8:06.027 |
| 6 | 3 | 24.507 | 23/8:21.153 |
| 7 | 3 | 20.380 | 23/8:15.942 |
| 8 | 3 | 24.511 | 22/8:03.219 |
| 9 | 3 | 20.434 | 23/8:20.938 |
| 10 | 4 | 21.691 | 23/8:20.693 |
| 11 | 4 | 20.894 | 23/8:18.744 |
| 12 | 4 | 21.510 | 23/8:18.381 |
| 13 | 4 | 20.576 | 23/8:16.366 |
| 14 | 4 | 25.897 | 22/8:01.750 |
| 15 | 4 | 21.210 | 22/8:00.693 |
| 16 | 3 | 20.994 | 23/8:21.280 |
| 17 | 3 | 20.743 | 23/8:19.817 |
| 18 | 3 | 21.254 | 23/8:19.188 |
| 19 | 3 | 21.559 | 23/8:19.001 |
| 20 | 3 | 21.009 | 23/8:18.198 |