| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.553 | 20/6:11.060 |
| 2 | 3 | 17.645 | 20/6:01.980 |
| 3 | 3 | 17.974 | 20/6:01.147 |
| 4 | 2 | 17.510 | 21/6:16.331 |
| 5 | 1 | 17.793 | 21/6:15.795 |
| 6 | 2 | 18.584 | 20/6:00.197 |
| 7 | 1 | 17.684 | 21/6:17.229 |
| 8 | 1 | 18.109 | 21/6:17.612 |
| 9 | 2 | 19.930 | 20/6:03.960 |
| 10 | 2 | 18.437 | 20/6:04.438 |
| 11 | 2 | 18.989 | 20/6:05.833 |
| 12 | 2 | 20.049 | 20/6:08.762 |
| 13 | 2 | 17.441 | 20/6:07.228 |
| 14 | 2 | 17.994 | 20/6:06.703 |
| 15 | 2 | 17.887 | 20/6:06.105 |
| 16 | 2 | 18.057 | 20/6:05.795 |
| 17 | 2 | 17.991 | 20/6:05.444 |
| 18 | 3 | 18.449 | 20/6:05.640 |
| 19 | 3 | 18.904 | 20/6:06.295 |
| 20 | 3 | 18.250 | 20/6:06.230 |