| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 18.726 | 20/6:14.520 |
| 2 | 5 | 18.385 | 20/6:11.110 |
| 3 | 4 | 18.490 | 20/6:10.673 |
| 4 | 4 | 18.226 | 20/6:09.135 |
| 5 | 4 | 18.648 | 20/6:09.900 |
| 6 | 5 | 18.675 | 20/6:10.500 |
| 7 | 4 | 18.655 | 20/6:10.871 |
| 8 | 4 | 18.376 | 20/6:10.453 |
| 9 | 4 | 18.317 | 20/6:09.996 |
| 10 | 4 | 18.616 | 20/6:10.228 |
| 11 | 4 | 18.687 | 20/6:10.547 |
| 12 | 4 | 18.272 | 20/6:10.122 |
| 13 | 4 | 19.174 | 20/6:11.149 |
| 14 | 4 | 18.647 | 20/6:11.277 |
| 15 | 4 | 18.387 | 20/6:11.041 |
| 16 | 4 | 18.488 | 20/6:10.961 |
| 17 | 4 | 19.168 | 20/6:11.691 |
| 18 | 4 | 18.690 | 20/6:11.808 |
| 19 | 4 | 18.568 | 20/6:11.784 |
| 20 | 4 | 18.692 | 20/6:11.887 |