| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.956 | 21/6:17.076 |
| 2 | 3 | 17.658 | 21/6:13.947 |
| 3 | 3 | 18.376 | 21/6:17.930 |
| 4 | 3 | 17.436 | 21/6:14.987 |
| 5 | 3 | 17.820 | 21/6:14.833 |
| 6 | 3 | 18.049 | 21/6:15.533 |
| 7 | 4 | 17.898 | 21/6:15.579 |
| 8 | 4 | 18.040 | 21/6:15.987 |
| 9 | 3 | 17.394 | 21/6:14.796 |
| 10 | 4 | 17.832 | 21/6:14.764 |
| 11 | 4 | 18.118 | 21/6:15.283 |
| 12 | 4 | 17.663 | 21/6:14.920 |
| 13 | 4 | 18.338 | 21/6:15.703 |
| 14 | 4 | 17.602 | 21/6:15.270 |
| 15 | 4 | 17.870 | 21/6:15.270 |
| 16 | 4 | 17.420 | 21/6:14.679 |
| 17 | 3 | 17.799 | 21/6:14.626 |
| 18 | 3 | 17.880 | 21/6:14.674 |
| 19 | 4 | 18.387 | 21/6:15.277 |
| 20 | 4 | 17.516 | 21/6:14.905 |
| 21 | 3 | 17.530 | 21/6:14.582 |