| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 23.587 | N/A |
| 2 | 3 | 20.689 | 21/7:17.367 |
| 3 | 3 | 20.774 | 21/7:18.217 |
| 4 | 3 | 20.260 | 21/7:15.073 |
| 5 | 3 | 22.256 | 20/7:02.487 |
| 6 | 3 | 21.037 | 20/7:02.647 |
| 7 | 3 | 21.500 | 20/7:04.221 |
| 8 | 3 | 20.457 | 20/7:02.513 |
| 9 | 3 | 20.670 | 20/7:01.739 |
| 10 | 3 | 20.550 | 20/7:00.883 |
| 11 | 3 | 20.515 | 20/7:00.132 |
| 12 | 3 | 20.232 | 21/7:19.841 |
| 13 | 3 | 19.575 | 21/7:17.778 |
| 14 | 3 | 20.608 | 21/7:17.622 |
| 15 | 3 | 21.289 | 21/7:18.461 |
| 16 | 3 | 21.325 | 21/7:19.236 |
| 17 | 2 | 20.553 | 21/7:18.949 |
| 18 | 3 | 22.250 | 21/7:20.692 |
| 19 | 3 | 20.867 | 21/7:20.705 |
| 20 | 3 | 20.974 | 21/7:20.830 |
| 21 | 3 | 21.085 | 21/7:21.053 |