| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.010 | 18/6:00.180 |
| 2 | 2 | 19.776 | 19/6:17.967 |
| 3 | 2 | 19.784 | 19/6:17.277 |
| 4 | 2 | 23.162 | 18/6:12.294 |
| 5 | 3 | 21.783 | 18/6:16.254 |
| 6 | 2 | 18.617 | 18/6:09.396 |
| 7 | 4 | 25.091 | 18/6:21.145 |
| 8 | 4 | 19.473 | 18/6:17.316 |
| 9 | 4 | 21.289 | 18/6:17.970 |
| 10 | 4 | 18.887 | 18/6:14.170 |
| 11 | 4 | 18.982 | 18/6:11.216 |
| 12 | 4 | 19.303 | 18/6:09.236 |
| 13 | 3 | 18.827 | 18/6:06.901 |
| 14 | 3 | 21.133 | 18/6:07.865 |
| 15 | 3 | 18.730 | 18/6:05.816 |
| 16 | 3 | 19.267 | 18/6:04.628 |
| 17 | 2 | 18.596 | 18/6:02.869 |
| 18 | 2 | 18.317 | 18/6:01.027 |