| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.926 | N/A |
| 2 | 3 | 17.108 | 21/6:03.086 |
| 3 | 2 | 17.165 | 21/6:03.656 |
| 4 | 2 | 17.568 | 21/6:06.532 |
| 5 | 2 | 16.833 | 21/6:04.296 |
| 6 | 2 | 17.118 | 21/6:04.094 |
| 7 | 2 | 17.566 | 21/6:05.452 |
| 8 | 3 | 18.409 | 21/6:08.831 |
| 9 | 3 | 16.801 | 21/6:07.346 |
| 10 | 3 | 17.682 | 21/6:08.148 |
| 11 | 3 | 16.474 | 21/6:06.374 |
| 12 | 2 | 20.374 | 21/6:12.013 |
| 13 | 2 | 17.086 | 21/6:11.232 |
| 14 | 2 | 16.666 | 21/6:09.926 |
| 15 | 2 | 19.536 | 21/6:12.906 |
| 16 | 2 | 16.512 | 21/6:11.456 |
| 17 | 2 | 17.044 | 21/6:10.853 |
| 18 | 2 | 17.094 | 21/6:10.380 |
| 19 | 2 | 16.635 | 21/6:09.449 |
| 20 | 2 | 17.183 | 21/6:09.193 |
| 21 | 2 | 17.689 | 21/6:09.469 |