| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 2.207 | N/A |
| 2 | 3 | 22.739 | 20/7:14.248 |
| 3 | 3 | 21.849 | 20/7:05.793 |
| 4 | 3 | 22.254 | 20/7:05.539 |
| 5 | 3 | 21.970 | 20/7:04.064 |
| 6 | 3 | 24.431 | 20/7:12.530 |
| 7 | 3 | 21.313 | 20/7:08.301 |
| 8 | 3 | 22.221 | 20/7:07.744 |
| 9 | 4 | 26.157 | 20/7:16.675 |
| 10 | 4 | 21.862 | 20/7:14.554 |
| 11 | 4 | 25.295 | 20/7:19.379 |
| 12 | 3 | 21.993 | 20/7:17.624 |
| 13 | 3 | 21.858 | 20/7:15.948 |
| 14 | 4 | 24.182 | 20/7:17.926 |
| 15 | 4 | 21.801 | 20/7:16.390 |
| 16 | 4 | 26.071 | 20/7:20.468 |
| 17 | 4 | 21.515 | 20/7:18.626 |
| 18 | 4 | 23.637 | 20/7:19.372 |
| 19 | 4 | 21.648 | 20/7:17.936 |
| 20 | 4 | 21.561 | 20/7:16.564 |