| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.555 | N/A |
| 2 | 3 | 17.211 | 21/6:03.775 |
| 3 | 3 | 17.471 | 21/6:06.375 |
| 4 | 3 | 17.451 | 21/6:07.108 |
| 5 | 3 | 16.940 | 21/6:04.092 |
| 6 | 2 | 20.700 | 20/6:00.692 |
| 7 | 2 | 16.281 | 21/6:13.068 |
| 8 | 2 | 18.656 | 21/6:15.869 |
| 9 | 2 | 16.508 | 21/6:12.006 |
| 10 | 1 | 16.840 | 21/6:10.795 |
| 11 | 1 | 16.775 | 21/6:09.221 |
| 12 | 2 | 18.640 | 21/6:11.324 |
| 13 | 2 | 16.938 | 21/6:10.024 |
| 14 | 2 | 16.971 | 21/6:09.373 |
| 15 | 2 | 20.518 | 21/6:13.697 |
| 16 | 2 | 17.929 | 21/6:13.993 |
| 17 | 2 | 17.106 | 21/6:13.223 |
| 18 | 2 | 22.681 | 20/6:01.125 |
| 19 | 2 | 16.770 | 21/6:17.761 |
| 20 | 3 | 23.772 | 20/6:05.713 |