| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.224 | 21/6:01.704 |
| 2 | 4 | 17.190 | 21/6:01.347 |
| 3 | 4 | 17.212 | 21/6:01.382 |
| 4 | 4 | 17.398 | 21/6:02.376 |
| 5 | 4 | 17.134 | 21/6:01.864 |
| 6 | 4 | 18.458 | 21/6:06.156 |
| 7 | 4 | 19.395 | 21/6:12.033 |
| 8 | 4 | 16.475 | 21/6:08.776 |
| 9 | 4 | 18.895 | 21/6:11.889 |
| 10 | 4 | 17.805 | 21/6:12.091 |
| 11 | 4 | 18.062 | 21/6:12.746 |
| 12 | 4 | 19.264 | 21/6:15.396 |
| 13 | 4 | 16.502 | 21/6:13.176 |
| 14 | 4 | 18.149 | 21/6:13.745 |
| 15 | 4 | 17.430 | 21/6:13.230 |
| 16 | 4 | 16.424 | 21/6:11.460 |
| 17 | 4 | 16.170 | 21/6:09.584 |
| 18 | 4 | 17.663 | 21/6:09.658 |
| 19 | 4 | 16.727 | 21/6:08.690 |
| 20 | 4 | 17.277 | 21/6:08.397 |
| 21 | 4 | 17.963 | 21/6:08.817 |