| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.742 | 18/6:13.356 |
| 2 | 3 | 17.784 | 19/6:05.997 |
| 3 | 2 | 17.900 | 20/6:16.173 |
| 4 | 3 | 23.184 | 19/6:18.147 |
| 5 | 4 | 23.897 | 18/6:12.625 |
| 6 | 3 | 18.932 | 18/6:07.317 |
| 7 | 3 | 20.794 | 18/6:08.313 |
| 8 | 4 | 20.768 | 18/6:09.002 |
| 9 | 4 | 21.175 | 18/6:10.352 |
| 10 | 3 | 19.825 | 18/6:09.002 |
| 11 | 3 | 17.918 | 18/6:04.777 |
| 12 | 3 | 18.777 | 18/6:02.544 |
| 13 | 4 | 27.485 | 18/6:12.712 |
| 14 | 4 | 18.035 | 18/6:09.278 |
| 15 | 3 | 17.409 | 18/6:05.550 |
| 16 | 4 | 18.425 | 18/6:03.431 |
| 17 | 4 | 17.936 | 18/6:01.044 |
| 18 | 4 | 23.521 | 18/6:04.507 |