| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 11.340 | N/A |
| 2 | 3 | 22.898 | N/A |
| 3 | 1 | 20.627 | 21/7:15.438 |
| 4 | 1 | 21.012 | 21/7:19.288 |
| 5 | 1 | 21.642 | 20/7:03.677 |
| 6 | 1 | 22.053 | 20/7:08.234 |
| 7 | 1 | 20.881 | 20/7:06.515 |
| 8 | 2 | 22.091 | 20/7:09.200 |
| 9 | 2 | 20.629 | 20/7:07.150 |
| 10 | 2 | 21.173 | 20/7:06.904 |
| 11 | 2 | 22.447 | 20/7:09.403 |
| 12 | 2 | 20.780 | 20/7:08.234 |
| 13 | 2 | 20.689 | 20/7:07.121 |
| 14 | 2 | 20.533 | 20/7:05.946 |
| 15 | 2 | 21.202 | 20/7:05.930 |
| 16 | 2 | 20.592 | 20/7:05.088 |
| 17 | 2 | 20.837 | 20/7:04.669 |
| 18 | 1 | 21.366 | 20/7:04.930 |
| 19 | 1 | 20.986 | 20/7:04.736 |
| 20 | 1 | 21.123 | 20/7:04.708 |