| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.389 | N/A |
| 2 | 1 | 21.332 | 20/7:04.697 |
| 3 | 1 | 21.313 | 20/7:04.516 |
| 4 | 1 | 23.484 | 20/7:18.206 |
| 5 | 1 | 21.216 | 20/7:14.277 |
| 6 | 1 | 20.958 | 20/7:10.940 |
| 7 | 1 | 20.758 | 20/7:08.082 |
| 8 | 1 | 21.682 | 20/7:08.548 |
| 9 | 1 | 20.523 | 20/7:06.145 |
| 10 | 1 | 22.229 | 20/7:07.878 |
| 11 | 1 | 21.105 | 20/7:07.129 |
| 12 | 1 | 21.963 | 20/7:07.997 |
| 13 | 1 | 21.848 | 20/7:08.539 |
| 14 | 1 | 20.979 | 20/7:07.728 |
| 15 | 1 | 22.169 | 20/7:08.647 |
| 16 | 1 | 21.171 | 20/7:08.180 |
| 17 | 1 | 21.032 | 20/7:07.606 |
| 18 | 1 | 21.090 | 20/7:07.164 |
| 19 | 1 | 21.454 | 20/7:07.156 |
| 20 | 1 | 21.876 | 20/7:07.571 |