| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 30.919 | N/A |
| 2 | 2 | 25.374 | 19/8:07.651 |
| 3 | 2 | 25.147 | 19/8:05.608 |
| 4 | 2 | 30.006 | 18/8:07.238 |
| 5 | 2 | 24.560 | 19/8:23.810 |
| 6 | 2 | 25.056 | 19/8:19.433 |
| 7 | 2 | 24.651 | 19/8:15.301 |
| 8 | 2 | 24.888 | 19/8:12.958 |
| 9 | 2 | 24.356 | 19/8:10.004 |
| 10 | 1 | 24.934 | 19/8:08.863 |
| 11 | 2 | 30.960 | 19/8:18.796 |
| 12 | 1 | 28.033 | 19/8:22.134 |
| 13 | 1 | 25.094 | 19/8:20.507 |
| 14 | 1 | 24.948 | 19/8:18.928 |
| 15 | 1 | 25.871 | 19/8:18.762 |
| 16 | 1 | 26.641 | 19/8:19.541 |
| 17 | 1 | 31.321 | 19/8:25.489 |
| 18 | 1 | 28.809 | 18/8:01.568 |