| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.502 | 18/6:09.036 |
| 2 | 4 | 20.801 | 18/6:11.727 |
| 3 | 3 | 20.967 | 18/6:13.620 |
| 4 | 5 | 22.301 | 18/6:20.570 |
| 5 | 5 | 20.677 | 18/6:18.893 |
| 6 | 4 | 20.078 | 18/6:15.978 |
| 7 | 5 | 20.530 | 18/6:15.058 |
| 8 | 5 | 21.350 | 18/6:16.213 |
| 9 | 4 | 20.337 | 18/6:15.086 |
| 10 | 4 | 20.516 | 18/6:14.506 |
| 11 | 4 | 20.315 | 18/6:13.703 |
| 12 | 3 | 20.053 | 18/6:12.640 |
| 13 | 4 | 21.820 | 18/6:14.188 |
| 14 | 4 | 20.657 | 18/6:14.019 |
| 15 | 3 | 20.375 | 18/6:13.535 |
| 16 | 3 | 20.075 | 18/6:12.773 |
| 17 | 3 | 19.744 | 18/6:11.751 |
| 18 | 4 | 21.007 | 18/6:12.105 |