| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.047 | 18/6:00.846 |
| 2 | 1 | 20.482 | 18/6:04.761 |
| 3 | 1 | 20.571 | 18/6:06.600 |
| 4 | 3 | 23.190 | 18/6:19.305 |
| 5 | 3 | 20.663 | 18/6:17.831 |
| 6 | 2 | 20.232 | 18/6:15.555 |
| 7 | 2 | 20.619 | 18/6:14.925 |
| 8 | 3 | 20.431 | 18/6:14.029 |
| 9 | 2 | 21.145 | 18/6:14.760 |
| 10 | 1 | 20.266 | 18/6:13.763 |
| 11 | 1 | 20.557 | 18/6:13.423 |
| 12 | 1 | 20.154 | 18/6:12.535 |
| 13 | 1 | 20.836 | 18/6:12.729 |
| 14 | 1 | 20.752 | 18/6:12.786 |
| 15 | 1 | 21.011 | 18/6:13.147 |
| 16 | 2 | 21.131 | 18/6:13.598 |
| 17 | 2 | 20.966 | 18/6:13.821 |
| 18 | 2 | 20.098 | 18/6:13.151 |