| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.056 | 18/6:01.008 |
| 2 | 1 | 19.750 | 19/6:18.157 |
| 3 | 1 | 19.929 | 19/6:18.322 |
| 4 | 1 | 20.243 | 19/6:19.895 |
| 5 | 1 | 20.553 | 18/6:01.912 |
| 6 | 1 | 19.816 | 18/6:01.041 |
| 7 | 1 | 19.492 | 19/6:19.563 |
| 8 | 1 | 20.103 | 19/6:19.862 |
| 9 | 1 | 19.893 | 19/6:19.652 |
| 10 | 1 | 19.810 | 19/6:19.326 |
| 11 | 1 | 19.811 | 19/6:19.060 |
| 12 | 1 | 20.823 | 18/6:00.418 |
| 13 | 1 | 20.132 | 18/6:00.569 |
| 14 | 1 | 20.052 | 18/6:00.595 |
| 15 | 1 | 19.982 | 18/6:00.534 |
| 16 | 1 | 20.385 | 18/6:00.934 |
| 17 | 1 | 20.943 | 18/6:01.877 |
| 18 | 1 | 22.834 | 18/6:04.607 |