| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.809 | 21/6:13.989 |
| 2 | 2 | 17.597 | 21/6:11.763 |
| 3 | 2 | 17.709 | 21/6:11.805 |
| 4 | 2 | 18.853 | 21/6:17.832 |
| 5 | 2 | 17.261 | 21/6:14.762 |
| 6 | 2 | 18.007 | 21/6:15.326 |
| 7 | 2 | 18.001 | 21/6:15.711 |
| 8 | 2 | 19.998 | 20/6:03.088 |
| 9 | 2 | 19.239 | 20/6:05.498 |
| 10 | 2 | 20.038 | 20/6:09.024 |
| 11 | 2 | 17.873 | 20/6:07.973 |
| 12 | 2 | 17.912 | 20/6:07.162 |
| 13 | 2 | 18.767 | 20/6:07.791 |
| 14 | 2 | 17.444 | 20/6:06.440 |
| 15 | 2 | 16.992 | 20/6:04.667 |
| 16 | 2 | 22.042 | 20/6:09.428 |
| 17 | 2 | 17.749 | 20/6:08.578 |
| 18 | 2 | 18.567 | 20/6:08.731 |
| 19 | 2 | 20.760 | 20/6:11.177 |
| 20 | 2 | 18.077 | 20/6:10.695 |