| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.492 | N/A |
| 2 | 1 | 21.110 | 20/7:00.582 |
| 3 | 1 | 21.603 | 20/7:05.265 |
| 4 | 1 | 21.303 | 20/7:04.926 |
| 5 | 1 | 21.569 | 20/7:06.020 |
| 6 | 1 | 21.057 | 20/7:04.731 |
| 7 | 1 | 20.836 | 20/7:03.172 |
| 8 | 1 | 22.455 | 20/7:06.453 |
| 9 | 1 | 23.180 | 20/7:10.635 |
| 10 | 1 | 21.578 | 20/7:10.506 |
| 11 | 1 | 22.033 | 20/7:11.267 |
| 12 | 1 | 21.371 | 20/7:10.747 |
| 13 | 1 | 21.517 | 20/7:10.544 |
| 14 | 1 | 21.420 | 20/7:10.231 |
| 15 | 1 | 20.948 | 20/7:09.322 |
| 16 | 1 | 24.869 | 20/7:13.500 |
| 17 | 1 | 23.430 | 20/7:15.448 |
| 18 | 2 | 26.765 | 20/7:20.894 |
| 19 | 2 | 22.126 | 20/7:20.838 |
| 20 | 2 | 21.699 | 20/7:20.361 |