| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.523 | 20/6:10.460 |
| 2 | 3 | 19.173 | 20/6:16.960 |
| 3 | 3 | 19.010 | 20/6:18.040 |
| 4 | 3 | 18.051 | 20/6:13.785 |
| 5 | 2 | 18.187 | 20/6:11.776 |
| 6 | 2 | 18.479 | 20/6:11.410 |
| 7 | 2 | 18.108 | 20/6:10.089 |
| 8 | 2 | 19.472 | 20/6:12.508 |
| 9 | 2 | 18.481 | 20/6:12.187 |
| 10 | 3 | 19.588 | 20/6:14.144 |
| 11 | 3 | 17.970 | 20/6:12.804 |
| 12 | 3 | 18.846 | 20/6:13.147 |
| 13 | 3 | 18.072 | 20/6:12.246 |
| 14 | 3 | 20.080 | 20/6:14.343 |
| 15 | 3 | 18.085 | 20/6:13.500 |
| 16 | 3 | 19.770 | 20/6:14.869 |
| 17 | 3 | 18.014 | 20/6:14.011 |
| 18 | 3 | 18.669 | 20/6:13.976 |
| 19 | 3 | 19.341 | 20/6:14.652 |
| 20 | 3 | 18.035 | 20/6:13.954 |