| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 2.736 | N/A |
| 2 | 5 | 21.350 | 18/6:05.686 |
| 3 | 5 | 21.490 | 18/6:06.876 |
| 4 | 5 | 21.261 | 18/6:05.975 |
| 5 | 5 | 23.275 | 18/6:14.084 |
| 6 | 5 | 24.269 | 18/6:22.329 |
| 7 | 5 | 20.775 | 18/6:17.926 |
| 8 | 5 | 22.862 | 18/6:19.849 |
| 9 | 4 | 20.952 | 18/6:17.233 |
| 10 | 4 | 21.637 | 18/6:16.492 |
| 11 | 4 | 20.883 | 18/6:14.617 |
| 12 | 4 | 23.180 | 18/6:16.634 |
| 13 | 4 | 21.158 | 18/6:15.449 |
| 14 | 4 | 22.212 | 18/6:15.825 |
| 15 | 4 | 20.951 | 18/6:14.617 |
| 16 | 4 | 20.962 | 18/6:13.581 |
| 17 | 4 | 21.871 | 18/6:13.642 |
| 18 | 4 | 23.106 | 18/6:14.930 |