| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.861 | N/A |
| 2 | 1 | 17.316 | 21/6:04.181 |
| 3 | 1 | 17.296 | 21/6:03.981 |
| 4 | 1 | 17.284 | 21/6:03.834 |
| 5 | 1 | 17.483 | 21/6:04.756 |
| 6 | 1 | 16.773 | 21/6:02.469 |
| 7 | 1 | 19.002 | 21/6:08.374 |
| 8 | 2 | 18.859 | 21/6:12.183 |
| 9 | 1 | 19.786 | 21/6:17.358 |
| 10 | 1 | 17.557 | 21/6:16.429 |
| 11 | 1 | 17.384 | 21/6:15.341 |
| 12 | 3 | 24.757 | 20/6:09.355 |
| 13 | 3 | 18.438 | 20/6:09.258 |
| 14 | 3 | 18.654 | 20/6:09.491 |
| 15 | 3 | 19.341 | 20/6:10.623 |
| 16 | 3 | 16.942 | 20/6:08.565 |
| 17 | 3 | 17.061 | 20/6:06.906 |
| 18 | 3 | 18.382 | 20/6:06.918 |
| 19 | 3 | 18.329 | 20/6:06.874 |
| 20 | 3 | 18.622 | 20/6:07.127 |