| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.920 | 21/6:16.320 |
| 2 | 2 | 17.655 | 21/6:13.538 |
| 3 | 2 | 17.904 | 21/6:14.353 |
| 4 | 2 | 17.751 | 21/6:13.958 |
| 5 | 3 | 18.153 | 21/6:15.409 |
| 6 | 3 | 17.760 | 21/6:15.001 |
| 7 | 3 | 17.555 | 21/6:14.094 |
| 8 | 3 | 17.665 | 21/6:13.703 |
| 9 | 2 | 17.840 | 21/6:13.807 |
| 10 | 2 | 17.776 | 21/6:13.756 |
| 11 | 2 | 17.601 | 21/6:13.380 |
| 12 | 2 | 17.560 | 21/6:12.995 |
| 13 | 2 | 18.051 | 21/6:13.462 |
| 14 | 2 | 17.974 | 21/6:13.748 |
| 15 | 2 | 17.580 | 21/6:13.443 |
| 16 | 2 | 18.306 | 21/6:14.129 |
| 17 | 2 | 18.221 | 21/6:14.630 |
| 18 | 2 | 18.242 | 21/6:15.100 |
| 19 | 2 | 18.709 | 21/6:16.036 |
| 20 | 1 | 18.465 | 21/6:16.622 |
| 21 | 1 | 18.999 | 21/6:17.687 |