| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.776 | 18/6:13.968 |
| 2 | 2 | 20.091 | 18/6:07.803 |
| 3 | 2 | 20.060 | 18/6:05.562 |
| 4 | 2 | 20.386 | 18/6:05.909 |
| 5 | 2 | 20.357 | 18/6:06.012 |
| 6 | 2 | 20.068 | 18/6:05.214 |
| 7 | 1 | 20.219 | 18/6:05.032 |
| 8 | 1 | 20.022 | 18/6:04.453 |
| 9 | 1 | 19.980 | 18/6:03.918 |
| 10 | 1 | 20.211 | 18/6:03.906 |
| 11 | 1 | 20.050 | 18/6:03.633 |
| 12 | 1 | 19.960 | 18/6:03.270 |
| 13 | 1 | 20.358 | 18/6:03.514 |
| 14 | 1 | 20.375 | 18/6:03.745 |
| 15 | 1 | 19.859 | 18/6:03.326 |
| 16 | 1 | 20.173 | 18/6:03.313 |
| 17 | 1 | 19.918 | 18/6:03.031 |
| 18 | 1 | 20.220 | 18/6:03.083 |