| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.547 | 21/6:08.487 |
| 2 | 1 | 17.653 | 21/6:09.600 |
| 3 | 1 | 17.954 | 21/6:12.078 |
| 4 | 1 | 17.590 | 21/6:11.406 |
| 5 | 1 | 17.024 | 21/6:08.626 |
| 6 | 1 | 17.761 | 21/6:09.351 |
| 7 | 1 | 17.784 | 21/6:09.939 |
| 8 | 1 | 17.841 | 21/6:10.529 |
| 9 | 1 | 17.471 | 21/6:10.125 |
| 10 | 1 | 17.017 | 21/6:08.848 |
| 11 | 1 | 18.057 | 21/6:09.789 |
| 12 | 1 | 17.526 | 21/6:09.644 |
| 13 | 1 | 17.572 | 21/6:09.595 |
| 14 | 1 | 17.134 | 21/6:08.896 |
| 15 | 1 | 18.151 | 21/6:09.715 |
| 16 | 1 | 17.087 | 21/6:09.034 |
| 17 | 1 | 17.751 | 21/6:09.254 |
| 18 | 1 | 17.378 | 21/6:09.014 |
| 19 | 1 | 19.992 | 21/6:11.689 |
| 20 | 1 | 20.825 | 21/6:14.971 |
| 21 | 1 | 17.972 | 21/6:15.087 |