| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 4.914 | N/A |
| 2 | 1 | 22.347 | 20/7:09.507 |
| 3 | 1 | 21.421 | 20/7:00.071 |
| 4 | 1 | 22.009 | 20/7:01.501 |
| 5 | 1 | 22.077 | 20/7:02.220 |
| 6 | 1 | 21.760 | 20/7:01.447 |
| 7 | 2 | 22.668 | 20/7:03.807 |
| 8 | 2 | 21.716 | 20/7:02.908 |
| 9 | 2 | 22.850 | 20/7:04.928 |
| 10 | 2 | 22.864 | 20/7:06.528 |
| 11 | 2 | 22.070 | 20/7:06.299 |
| 12 | 2 | 21.993 | 20/7:05.979 |
| 13 | 2 | 21.936 | 20/7:05.623 |
| 14 | 2 | 23.898 | 20/7:08.188 |
| 15 | 2 | 22.104 | 20/7:07.953 |
| 16 | 2 | 22.215 | 20/7:07.889 |
| 17 | 2 | 22.232 | 20/7:07.854 |
| 18 | 2 | 22.241 | 20/7:07.832 |
| 19 | 2 | 22.523 | 20/7:08.111 |
| 20 | 2 | 22.340 | 20/7:08.178 |