| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 27.184 | N/A |
| 2 | 5 | 19.720 | 21/7:01.584 |
| 3 | 5 | 19.571 | 21/7:00.094 |
| 4 | 4 | 20.827 | 21/7:07.970 |
| 5 | 2 | 19.961 | 21/7:07.579 |
| 6 | 2 | 19.713 | 21/7:06.352 |
| 7 | 2 | 19.760 | 21/7:05.690 |
| 8 | 3 | 20.382 | 21/7:06.995 |
| 9 | 3 | 19.609 | 21/7:06.041 |
| 10 | 3 | 19.523 | 21/7:05.108 |
| 11 | 4 | 19.995 | 21/7:05.306 |
| 12 | 4 | 19.130 | 21/7:03.894 |
| 13 | 4 | 20.221 | 21/7:04.537 |
| 14 | 4 | 19.534 | 21/7:04.024 |
| 15 | 4 | 19.828 | 21/7:04.004 |
| 16 | 4 | 18.969 | 21/7:02.841 |
| 17 | 4 | 19.353 | 21/7:02.304 |
| 18 | 4 | 19.411 | 21/7:01.898 |
| 19 | 4 | 19.509 | 21/7:01.646 |
| 20 | 4 | 19.649 | 21/7:01.568 |
| 21 | 3 | 20.308 | 21/7:02.157 |