| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.250 | 20/6:05.000 |
| 2 | 2 | 18.549 | 20/6:07.990 |
| 3 | 2 | 18.130 | 20/6:06.193 |
| 4 | 1 | 18.488 | 20/6:07.085 |
| 5 | 2 | 20.019 | 20/6:13.744 |
| 6 | 2 | 18.231 | 20/6:12.223 |
| 7 | 2 | 18.643 | 20/6:12.314 |
| 8 | 2 | 18.439 | 20/6:11.873 |
| 9 | 2 | 18.830 | 20/6:12.398 |
| 10 | 2 | 18.302 | 20/6:11.762 |
| 11 | 2 | 18.756 | 20/6:12.067 |
| 12 | 2 | 17.997 | 20/6:11.057 |
| 13 | 2 | 18.784 | 20/6:11.412 |
| 14 | 2 | 18.525 | 20/6:11.347 |
| 15 | 2 | 17.883 | 20/6:10.435 |
| 16 | 2 | 18.380 | 20/6:10.257 |
| 17 | 2 | 19.372 | 20/6:11.268 |
| 18 | 2 | 18.244 | 20/6:10.913 |
| 19 | 2 | 18.370 | 20/6:10.728 |
| 20 | 2 | 18.276 | 20/6:10.468 |