| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.818 | 21/7:17.178 |
| 2 | 2 | 19.926 | 21/7:07.812 |
| 3 | 2 | 19.264 | 21/7:00.056 |
| 4 | 2 | 20.105 | 21/7:00.593 |
| 5 | 2 | 19.982 | 21/7:00.399 |
| 6 | 2 | 19.033 | 22/7:16.803 |
| 7 | 2 | 19.756 | 22/7:16.493 |
| 8 | 2 | 19.553 | 22/7:15.702 |
| 9 | 2 | 19.519 | 22/7:15.004 |
| 10 | 2 | 20.108 | 22/7:15.741 |
| 11 | 2 | 18.971 | 22/7:14.070 |
| 12 | 2 | 21.305 | 22/7:16.957 |
| 13 | 2 | 19.002 | 22/7:15.502 |
| 14 | 2 | 19.464 | 22/7:14.981 |
| 15 | 2 | 19.136 | 22/7:14.048 |
| 16 | 2 | 20.617 | 22/7:15.269 |
| 17 | 2 | 20.555 | 22/7:16.265 |
| 18 | 2 | 19.206 | 22/7:15.502 |
| 19 | 1 | 23.297 | 22/7:19.557 |
| 20 | 1 | 21.553 | 21/7:01.229 |
| 21 | 1 | 20.936 | 21/7:02.106 |