| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.280 | 17/6:01.760 |
| 2 | 2 | 20.280 | 18/6:14.040 |
| 3 | 1 | 20.360 | 18/6:11.520 |
| 4 | 2 | 21.030 | 18/6:13.275 |
| 5 | 1 | 20.400 | 18/6:12.060 |
| 6 | 2 | 20.570 | 18/6:11.760 |
| 7 | 1 | 20.670 | 18/6:11.803 |
| 8 | 1 | 20.620 | 18/6:11.722 |
| 9 | 2 | 21.370 | 18/6:13.160 |
| 10 | 2 | 21.630 | 18/6:14.778 |
| 11 | 1 | 20.480 | 18/6:14.220 |
| 12 | 1 | 20.430 | 18/6:13.680 |
| 13 | 1 | 20.660 | 18/6:13.542 |
| 14 | 1 | 19.830 | 18/6:12.356 |
| 15 | 1 | 20.20 | 18/6:11.532 |
| 16 | 1 | 20.270 | 18/6:11.115 |
| 17 | 1 | 20.050 | 18/6:10.514 |
| 18 | 1 | 19.650 | 18/6:09.580 |