| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 22.820 | N/A |
| 2 | 2 | 19.888 | 21/7:00.058 |
| 3 | 2 | 20.338 | 21/7:05.008 |
| 4 | 1 | 20.498 | 21/7:07.646 |
| 5 | 1 | 23.092 | 20/7:00.946 |
| 6 | 1 | 23.472 | 20/7:10.514 |
| 7 | 1 | 19.635 | 20/7:04.742 |
| 8 | 1 | 19.855 | 20/7:01.217 |
| 9 | 1 | 20.045 | 21/7:19.877 |
| 10 | 1 | 20.567 | 21/7:19.242 |
| 11 | 1 | 21.415 | 21/7:20.043 |
| 12 | 1 | 19.862 | 21/7:18.578 |
| 13 | 1 | 21.789 | 21/7:20.246 |
| 14 | 1 | 21.443 | 20/7:00.210 |
| 15 | 1 | 19.806 | 21/7:19.541 |
| 16 | 1 | 20.208 | 21/7:18.704 |
| 17 | 1 | 21.971 | 21/7:20.175 |
| 18 | 1 | 21.519 | 20/7:00.035 |
| 19 | 1 | 20.707 | 21/7:20.072 |
| 20 | 1 | 20.395 | 21/7:20.193 |
| 21 | 1 | 20.048 | 21/7:19.373 |