| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 28.050 | N/A |
| 2 | 1 | 25.109 | 19/8:00.012 |
| 3 | 1 | 27.415 | 19/8:20.766 |
| 4 | 1 | 23.453 | 19/8:03.912 |
| 5 | 1 | 24.604 | 19/8:00.664 |
| 6 | 1 | 23.732 | 20/8:20.439 |
| 7 | 2 | 30.850 | 19/8:13.539 |
| 8 | 2 | 28.153 | 19/8:19.434 |
| 9 | 2 | 29.481 | 18/8:00.243 |
| 10 | 2 | 30.889 | 18/8:08.345 |
| 11 | 2 | 25.444 | 18/8:05.571 |
| 12 | 2 | 27.811 | 18/8:06.958 |
| 13 | 2 | 28.543 | 18/8:09.152 |
| 14 | 2 | 26.730 | 18/8:08.637 |
| 15 | 2 | 28.211 | 18/8:09.994 |
| 16 | 2 | 23.400 | 18/8:05.718 |
| 17 | 2 | 27.592 | 18/8:06.430 |
| 18 | 2 | 23.966 | 18/8:03.433 |