| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.779 | 21/6:13.359 |
| 2 | 1 | 18.968 | 20/6:07.470 |
| 3 | 2 | 19.922 | 20/6:17.793 |
| 4 | 2 | 18.038 | 20/6:13.535 |
| 5 | 2 | 18.421 | 20/6:12.512 |
| 6 | 1 | 18.421 | 20/6:11.830 |
| 7 | 1 | 18.052 | 20/6:10.289 |
| 8 | 1 | 17.782 | 20/6:08.457 |
| 9 | 1 | 18.147 | 20/6:07.844 |
| 10 | 1 | 18.489 | 20/6:08.038 |
| 11 | 1 | 19.199 | 20/6:09.487 |
| 12 | 1 | 18.276 | 20/6:09.157 |
| 13 | 1 | 18.276 | 20/6:08.877 |
| 14 | 1 | 18.069 | 20/6:08.341 |
| 15 | 1 | 22.335 | 20/6:13.565 |
| 16 | 1 | 19.138 | 20/6:14.140 |
| 17 | 1 | 27.433 | 19/6:05.186 |
| 18 | 2 | 27.739 | 19/6:14.178 |
| 19 | 2 | 18.473 | 19/6:12.957 |