| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.355 | 21/6:04.455 |
| 2 | 1 | 18.058 | 21/6:11.836 |
| 3 | 1 | 17.350 | 21/6:09.341 |
| 4 | 1 | 18.407 | 21/6:13.642 |
| 5 | 2 | 25.083 | 19/6:05.761 |
| 6 | 2 | 19.066 | 19/6:05.177 |
| 7 | 2 | 17.551 | 19/6:00.647 |
| 8 | 2 | 17.900 | 20/6:16.925 |
| 9 | 2 | 17.839 | 20/6:14.687 |
| 10 | 2 | 19.417 | 20/6:16.052 |
| 11 | 2 | 17.242 | 20/6:13.215 |
| 12 | 2 | 17.005 | 20/6:10.455 |
| 13 | 1 | 17.517 | 20/6:08.908 |
| 14 | 1 | 17.374 | 20/6:07.377 |
| 15 | 1 | 17.981 | 20/6:06.860 |
| 16 | 1 | 17.485 | 20/6:05.788 |
| 17 | 1 | 18.356 | 20/6:05.866 |
| 18 | 1 | 18.553 | 20/6:06.154 |
| 19 | 1 | 18.013 | 20/6:05.844 |
| 20 | 1 | 17.553 | 20/6:05.105 |