| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.216 | 20/6:04.320 |
| 2 | 1 | 18.768 | 20/6:09.840 |
| 3 | 1 | 18.544 | 20/6:10.187 |
| 4 | 1 | 18.202 | 20/6:08.650 |
| 5 | 1 | 18.482 | 20/6:08.848 |
| 6 | 2 | 18.357 | 20/6:08.563 |
| 7 | 2 | 18.361 | 20/6:08.371 |
| 8 | 2 | 17.992 | 20/6:07.305 |
| 9 | 2 | 17.910 | 20/6:06.293 |
| 10 | 2 | 18.108 | 20/6:05.880 |
| 11 | 2 | 18.766 | 20/6:06.738 |
| 12 | 2 | 17.786 | 20/6:05.820 |
| 13 | 2 | 18.015 | 20/6:05.395 |
| 14 | 2 | 18.257 | 20/6:05.377 |
| 15 | 2 | 18.089 | 20/6:05.137 |
| 16 | 2 | 18.258 | 20/6:05.139 |
| 17 | 2 | 18.155 | 20/6:05.019 |
| 18 | 2 | 18.031 | 20/6:04.774 |
| 19 | 2 | 18.634 | 20/6:05.191 |
| 20 | 2 | 18.095 | 20/6:05.026 |