| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.620 | 18/6:11.160 |
| 2 | 1 | 19.690 | 18/6:02.790 |
| 3 | 2 | 21.630 | 18/6:11.640 |
| 4 | 2 | 19.620 | 18/6:07.020 |
| 5 | 1 | 19.750 | 18/6:04.716 |
| 6 | 2 | 21.690 | 18/6:09.000 |
| 7 | 1 | 19.310 | 18/6:05.940 |
| 8 | 1 | 21.810 | 18/6:09.270 |
| 9 | 1 | 19.320 | 18/6:06.880 |
| 10 | 1 | 20.500 | 18/6:07.092 |
| 11 | 1 | 20.20 | 18/6:06.447 |
| 12 | 1 | 22.060 | 18/6:09.000 |
| 13 | 2 | 23.750 | 18/6:13.500 |
| 14 | 2 | 20.870 | 18/6:13.654 |
| 15 | 2 | 21.380 | 18/6:14.400 |
| 16 | 2 | 19.560 | 18/6:13.005 |
| 17 | 2 | 19.380 | 18/6:11.584 |
| 18 | 2 | 19.120 | 18/6:10.060 |