| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.547 | 20/6:10.940 |
| 2 | 3 | 18.113 | 20/6:06.600 |
| 3 | 3 | 17.789 | 20/6:02.993 |
| 4 | 2 | 18.772 | 20/6:06.105 |
| 5 | 2 | 17.895 | 20/6:04.464 |
| 6 | 2 | 18.190 | 20/6:04.353 |
| 7 | 2 | 18.664 | 20/6:05.629 |
| 8 | 2 | 18.289 | 20/6:05.648 |
| 9 | 2 | 17.974 | 20/6:04.962 |
| 10 | 2 | 18.348 | 20/6:05.162 |
| 11 | 2 | 18.849 | 20/6:06.236 |
| 12 | 3 | 18.432 | 20/6:06.437 |
| 13 | 3 | 19.703 | 20/6:08.562 |
| 14 | 3 | 22.925 | 20/6:14.986 |
| 15 | 3 | 17.923 | 20/6:13.884 |
| 16 | 3 | 17.833 | 20/6:12.808 |
| 17 | 3 | 18.260 | 20/6:12.360 |
| 18 | 3 | 18.256 | 20/6:11.958 |
| 19 | 3 | 18.540 | 20/6:11.897 |
| 20 | 3 | 17.978 | 20/6:11.280 |