| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.917 | 20/6:18.340 |
| 2 | 2 | 18.853 | 20/6:17.700 |
| 3 | 2 | 18.918 | 20/6:17.920 |
| 4 | 3 | 19.430 | 19/6:01.560 |
| 5 | 3 | 18.097 | 20/6:16.860 |
| 6 | 3 | 18.342 | 20/6:15.190 |
| 7 | 3 | 18.291 | 20/6:13.851 |
| 8 | 3 | 18.492 | 20/6:13.350 |
| 9 | 3 | 18.944 | 20/6:13.964 |
| 10 | 3 | 19.120 | 20/6:14.808 |
| 11 | 3 | 18.154 | 20/6:13.742 |
| 12 | 3 | 19.769 | 20/6:15.545 |
| 13 | 3 | 18.629 | 20/6:15.317 |
| 14 | 3 | 18.777 | 20/6:15.333 |
| 15 | 3 | 18.905 | 20/6:15.517 |
| 16 | 3 | 19.426 | 20/6:16.330 |
| 17 | 3 | 18.768 | 20/6:16.273 |
| 18 | 3 | 18.423 | 20/6:15.839 |
| 19 | 2 | 18.938 | 20/6:15.993 |
| 20 | 2 | 17.947 | 20/6:15.140 |