| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.236 | 17/6:01.012 |
| 2 | 3 | 20.066 | 18/6:11.718 |
| 3 | 2 | 19.925 | 18/6:07.362 |
| 4 | 2 | 21.264 | 18/6:11.209 |
| 5 | 2 | 20.535 | 18/6:10.894 |
| 6 | 2 | 20.347 | 18/6:10.119 |
| 7 | 2 | 20.660 | 18/6:10.371 |
| 8 | 2 | 20.368 | 18/6:09.902 |
| 9 | 2 | 20.336 | 18/6:09.474 |
| 10 | 2 | 21.521 | 18/6:11.264 |
| 11 | 2 | 20.683 | 18/6:11.358 |
| 12 | 2 | 20.437 | 18/6:11.067 |
| 13 | 2 | 20.874 | 18/6:11.426 |
| 14 | 2 | 21.200 | 18/6:12.153 |
| 15 | 2 | 20.840 | 18/6:12.350 |
| 16 | 2 | 21.489 | 18/6:13.254 |
| 17 | 2 | 21.255 | 18/6:13.803 |
| 18 | 2 | 21.013 | 18/6:14.049 |