| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.251 | 20/6:05.020 |
| 2 | 2 | 18.215 | 20/6:04.660 |
| 3 | 2 | 17.328 | 21/6:16.558 |
| 4 | 3 | 19.680 | 20/6:07.370 |
| 5 | 4 | 20.458 | 20/6:15.728 |
| 6 | 4 | 17.906 | 20/6:12.793 |
| 7 | 4 | 18.611 | 20/6:12.711 |
| 8 | 4 | 18.364 | 20/6:12.032 |
| 9 | 4 | 17.997 | 20/6:10.689 |
| 10 | 4 | 17.549 | 20/6:08.718 |
| 11 | 4 | 17.278 | 20/6:06.613 |
| 12 | 4 | 18.271 | 20/6:06.513 |
| 13 | 4 | 17.263 | 20/6:04.878 |
| 14 | 4 | 17.878 | 20/6:04.356 |
| 15 | 4 | 22.874 | 20/6:10.564 |
| 16 | 4 | 18.032 | 20/6:09.944 |
| 17 | 4 | 21.553 | 20/6:13.539 |
| 18 | 4 | 20.396 | 20/6:15.449 |
| 19 | 4 | 18.567 | 20/6:15.233 |
| 20 | 4 | 18.094 | 20/6:14.565 |