| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.385 | 20/6:07.700 |
| 2 | 5 | 18.641 | 20/6:10.260 |
| 3 | 5 | 19.286 | 20/6:15.413 |
| 4 | 5 | 18.202 | 20/6:12.570 |
| 5 | 5 | 17.675 | 20/6:08.756 |
| 6 | 5 | 18.330 | 20/6:08.397 |
| 7 | 5 | 18.040 | 20/6:07.311 |
| 8 | 4 | 18.288 | 20/6:07.118 |
| 9 | 4 | 17.436 | 20/6:05.073 |
| 10 | 4 | 18.130 | 20/6:04.826 |
| 11 | 4 | 17.996 | 20/6:04.380 |
| 12 | 4 | 18.190 | 20/6:04.332 |
| 13 | 4 | 19.875 | 20/6:06.883 |
| 14 | 4 | 17.817 | 20/6:06.130 |
| 15 | 4 | 20.268 | 20/6:08.745 |
| 16 | 4 | 18.364 | 20/6:08.654 |
| 17 | 4 | 17.535 | 20/6:07.598 |
| 18 | 4 | 17.982 | 20/6:07.156 |
| 19 | 4 | 17.978 | 20/6:06.756 |
| 20 | 4 | 19.012 | 20/6:07.430 |