| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.348 | 21/6:04.308 |
| 2 | 1 | 17.260 | 21/6:03.384 |
| 3 | 1 | 18.028 | 21/6:08.452 |
| 4 | 1 | 17.700 | 21/6:09.264 |
| 5 | 1 | 17.200 | 21/6:07.651 |
| 6 | 1 | 17.754 | 21/6:08.515 |
| 7 | 1 | 17.647 | 21/6:08.811 |
| 8 | 1 | 17.499 | 21/6:08.644 |
| 9 | 1 | 17.593 | 21/6:08.734 |
| 10 | 1 | 17.791 | 21/6:09.222 |
| 11 | 1 | 17.585 | 21/6:09.228 |
| 12 | 1 | 17.893 | 21/6:09.772 |
| 13 | 1 | 17.829 | 21/6:10.128 |
| 14 | 1 | 17.863 | 21/6:10.485 |
| 15 | 1 | 17.708 | 21/6:10.577 |
| 16 | 1 | 17.709 | 21/6:10.659 |
| 17 | 1 | 18.173 | 21/6:11.305 |
| 18 | 1 | 17.468 | 21/6:11.056 |
| 19 | 1 | 18.717 | 21/6:12.214 |
| 20 | 1 | 17.636 | 21/6:12.121 |
| 21 | 1 | 18.521 | 21/6:12.922 |