| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.373 | 21/7:07.833 |
| 2 | 1 | 19.123 | 22/7:14.456 |
| 3 | 2 | 23.190 | 21/7:18.802 |
| 4 | 2 | 19.845 | 21/7:13.288 |
| 5 | 2 | 20.189 | 21/7:11.424 |
| 6 | 1 | 19.368 | 21/7:07.308 |
| 7 | 1 | 20.471 | 21/7:07.677 |
| 8 | 1 | 19.800 | 21/7:06.192 |
| 9 | 1 | 19.109 | 21/7:03.425 |
| 10 | 1 | 19.624 | 21/7:02.293 |
| 11 | 1 | 23.978 | 21/7:09.679 |
| 12 | 1 | 20.054 | 21/7:08.967 |
| 13 | 1 | 18.552 | 21/7:05.938 |
| 14 | 1 | 23.811 | 21/7:11.231 |
| 15 | 1 | 19.034 | 21/7:09.129 |
| 16 | 1 | 20.897 | 21/7:09.736 |
| 17 | 1 | 18.979 | 21/7:07.902 |
| 18 | 1 | 19.862 | 21/7:07.302 |
| 19 | 1 | 19.866 | 21/7:06.770 |
| 20 | 1 | 19.210 | 21/7:05.602 |
| 21 | 1 | 18.837 | 21/7:04.172 |