| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.321 | 18/6:05.778 |
| 2 | 2 | 19.611 | 19/6:19.354 |
| 3 | 2 | 19.963 | 19/6:19.335 |
| 4 | 2 | 21.055 | 18/6:04.275 |
| 5 | 2 | 20.183 | 18/6:04.079 |
| 6 | 2 | 20.062 | 18/6:03.585 |
| 7 | 2 | 19.226 | 18/6:01.083 |
| 8 | 2 | 19.414 | 19/6:19.608 |
| 9 | 2 | 19.166 | 19/6:17.891 |
| 10 | 1 | 19.560 | 19/6:17.266 |
| 11 | 1 | 19.285 | 19/6:16.279 |
| 12 | 1 | 20.092 | 19/6:16.735 |
| 13 | 2 | 20.423 | 19/6:17.605 |
| 14 | 2 | 20.020 | 19/6:17.803 |
| 15 | 1 | 20.455 | 19/6:18.526 |
| 16 | 1 | 20.232 | 19/6:18.893 |
| 17 | 1 | 19.868 | 19/6:18.811 |
| 18 | 1 | 19.954 | 19/6:18.828 |
| 19 | 1 | 20.128 | 19/6:19.018 |