| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.397 | 21/6:05.337 |
| 2 | 1 | 17.415 | 21/6:05.526 |
| 3 | 1 | 17.750 | 21/6:07.934 |
| 4 | 1 | 17.715 | 21/6:08.954 |
| 5 | 1 | 17.880 | 21/6:10.259 |
| 6 | 1 | 17.641 | 21/6:10.293 |
| 7 | 1 | 17.504 | 21/6:09.906 |
| 8 | 1 | 17.472 | 21/6:09.532 |
| 9 | 1 | 17.622 | 21/6:09.591 |
| 10 | 1 | 17.735 | 21/6:09.875 |
| 11 | 1 | 18.142 | 21/6:10.885 |
| 12 | 1 | 17.895 | 21/6:11.294 |
| 13 | 1 | 17.817 | 21/6:11.514 |
| 14 | 1 | 17.769 | 21/6:11.631 |
| 15 | 1 | 17.965 | 21/6:12.007 |
| 16 | 1 | 17.997 | 21/6:12.377 |
| 17 | 1 | 18.097 | 21/6:12.828 |
| 18 | 1 | 17.935 | 21/6:13.039 |
| 19 | 1 | 17.740 | 21/6:13.013 |
| 20 | 1 | 17.885 | 21/6:13.142 |
| 21 | 2 | 18.363 | 21/6:13.736 |