| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.914 | 21/6:16.194 |
| 2 | 3 | 17.494 | 21/6:11.784 |
| 3 | 3 | 17.916 | 21/6:13.268 |
| 4 | 3 | 18.022 | 21/6:14.567 |
| 5 | 3 | 17.599 | 21/6:13.569 |
| 6 | 3 | 17.606 | 21/6:12.929 |
| 7 | 4 | 17.902 | 21/6:13.359 |
| 8 | 4 | 17.792 | 21/6:13.393 |
| 9 | 4 | 17.662 | 21/6:13.116 |
| 10 | 4 | 17.501 | 21/6:12.557 |
| 11 | 2 | 17.525 | 21/6:12.145 |
| 12 | 2 | 17.702 | 21/6:12.111 |
| 13 | 2 | 17.932 | 21/6:12.454 |
| 14 | 3 | 17.703 | 21/6:12.405 |
| 15 | 3 | 17.917 | 21/6:12.662 |
| 16 | 3 | 17.805 | 21/6:12.740 |
| 17 | 3 | 17.993 | 21/6:13.040 |
| 18 | 3 | 19.945 | 21/6:15.585 |
| 19 | 3 | 18.646 | 21/6:16.426 |
| 20 | 3 | 18.188 | 21/6:16.702 |
| 21 | 3 | 19.438 | 21/6:18.202 |