| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.827 | 21/6:14.367 |
| 2 | 2 | 17.672 | 21/6:12.740 |
| 3 | 2 | 18.149 | 21/6:15.536 |
| 4 | 2 | 18.191 | 21/6:17.155 |
| 5 | 3 | 17.832 | 21/6:16.618 |
| 6 | 2 | 17.059 | 21/6:13.555 |
| 7 | 1 | 17.318 | 21/6:12.144 |
| 8 | 1 | 18.008 | 21/6:12.897 |
| 9 | 1 | 17.518 | 21/6:12.339 |
| 10 | 1 | 17.561 | 21/6:11.983 |
| 11 | 1 | 17.371 | 21/6:11.330 |
| 12 | 1 | 18.398 | 21/6:12.582 |
| 13 | 1 | 17.882 | 21/6:12.808 |
| 14 | 2 | 21.929 | 20/6:01.021 |
| 15 | 2 | 19.766 | 20/6:03.308 |
| 16 | 2 | 18.350 | 20/6:03.539 |
| 17 | 2 | 17.960 | 20/6:03.284 |
| 18 | 2 | 17.534 | 20/6:02.583 |
| 19 | 2 | 17.672 | 20/6:02.102 |
| 20 | 2 | 18.240 | 20/6:02.237 |