| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.294 | 20/6:05.880 |
| 2 | 2 | 18.144 | 20/6:04.380 |
| 3 | 3 | 18.230 | 20/6:04.453 |
| 4 | 3 | 18.111 | 20/6:03.895 |
| 5 | 2 | 18.102 | 20/6:03.524 |
| 6 | 2 | 18.314 | 20/6:03.983 |
| 7 | 2 | 19.652 | 20/6:08.134 |
| 8 | 2 | 17.915 | 20/6:06.905 |
| 9 | 2 | 17.814 | 20/6:05.724 |
| 10 | 2 | 21.628 | 20/6:12.408 |
| 11 | 2 | 17.231 | 20/6:09.882 |
| 12 | 2 | 17.867 | 20/6:08.837 |
| 13 | 2 | 18.149 | 20/6:08.386 |
| 14 | 2 | 17.627 | 20/6:07.254 |
| 15 | 2 | 19.583 | 20/6:08.881 |
| 16 | 2 | 17.655 | 20/6:07.895 |
| 17 | 2 | 17.602 | 20/6:06.962 |
| 18 | 2 | 17.720 | 20/6:06.264 |
| 19 | 2 | 18.906 | 20/6:06.888 |
| 20 | 2 | 18.051 | 20/6:06.595 |