| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.958 | 21/6:17.118 |
| 2 | 2 | 17.194 | 21/6:09.096 |
| 3 | 3 | 17.784 | 21/6:10.552 |
| 4 | 3 | 17.456 | 21/6:09.558 |
| 5 | 3 | 17.099 | 21/6:07.462 |
| 6 | 2 | 17.369 | 21/6:07.010 |
| 7 | 2 | 20.086 | 21/6:14.838 |
| 8 | 3 | 19.242 | 20/6:00.470 |
| 9 | 3 | 19.477 | 20/6:03.700 |
| 10 | 3 | 17.682 | 20/6:02.694 |
| 11 | 3 | 17.864 | 20/6:02.202 |
| 12 | 3 | 19.512 | 20/6:04.538 |
| 13 | 3 | 16.791 | 20/6:02.329 |
| 14 | 3 | 17.301 | 20/6:01.164 |
| 15 | 4 | 22.244 | 20/6:06.745 |
| 16 | 4 | 16.967 | 20/6:05.032 |
| 17 | 4 | 18.917 | 20/6:05.815 |
| 18 | 4 | 17.119 | 20/6:04.513 |
| 19 | 3 | 17.064 | 20/6:03.291 |
| 20 | 4 | 19.914 | 20/6:05.040 |