| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.944 | N/A |
| 2 | 4 | 19.158 | 19/6:06.788 |
| 3 | 4 | 18.134 | 20/6:16.218 |
| 4 | 3 | 20.112 | 19/6:06.368 |
| 5 | 3 | 19.242 | 19/6:06.851 |
| 6 | 3 | 18.824 | 19/6:05.636 |
| 7 | 3 | 17.971 | 19/6:02.267 |
| 8 | 4 | 23.359 | 19/6:13.715 |
| 9 | 4 | 18.217 | 19/6:10.732 |
| 10 | 4 | 18.498 | 19/6:08.974 |
| 11 | 4 | 20.903 | 19/6:11.896 |
| 12 | 4 | 18.545 | 19/6:10.428 |
| 13 | 4 | 17.630 | 19/6:07.833 |
| 14 | 4 | 17.780 | 19/6:05.845 |
| 15 | 4 | 21.264 | 19/6:08.620 |
| 16 | 4 | 18.067 | 19/6:07.188 |
| 17 | 4 | 18.302 | 19/6:06.200 |
| 18 | 4 | 17.989 | 19/6:04.997 |
| 19 | 4 | 18.002 | 19/6:03.941 |