| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.735 | 21/6:12.435 |
| 2 | 1 | 17.026 | 21/6:04.990 |
| 3 | 1 | 16.955 | 21/6:02.012 |
| 4 | 1 | 17.469 | 21/6:03.221 |
| 5 | 2 | 17.716 | 21/6:04.984 |
| 6 | 2 | 16.925 | 21/6:03.391 |
| 7 | 1 | 16.894 | 21/6:02.160 |
| 8 | 1 | 17.194 | 21/6:02.024 |
| 9 | 1 | 17.321 | 21/6:02.215 |
| 10 | 2 | 19.118 | 21/6:06.141 |
| 11 | 2 | 18.017 | 21/6:07.252 |
| 12 | 1 | 17.205 | 21/6:06.756 |
| 13 | 1 | 19.018 | 21/6:09.266 |
| 14 | 1 | 17.109 | 21/6:08.553 |
| 15 | 1 | 16.951 | 21/6:07.714 |
| 16 | 1 | 17.012 | 21/6:07.060 |
| 17 | 1 | 17.198 | 21/6:06.713 |
| 18 | 1 | 17.317 | 21/6:06.543 |
| 19 | 1 | 19.988 | 21/6:09.344 |
| 20 | 1 | 17.884 | 21/6:09.655 |
| 21 | 1 | 17.851 | 21/6:09.903 |