| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.992 | 21/6:17.832 |
| 2 | 2 | 17.288 | 21/6:10.440 |
| 3 | 2 | 18.436 | 21/6:16.012 |
| 4 | 3 | 17.911 | 21/6:16.042 |
| 5 | 4 | 23.674 | 19/6:02.144 |
| 6 | 4 | 17.579 | 20/6:16.267 |
| 7 | 4 | 18.130 | 20/6:14.314 |
| 8 | 4 | 17.853 | 20/6:12.158 |
| 9 | 3 | 17.174 | 20/6:08.971 |
| 10 | 3 | 18.062 | 20/6:08.198 |
| 11 | 3 | 18.256 | 20/6:07.918 |
| 12 | 3 | 17.682 | 20/6:06.728 |
| 13 | 3 | 16.960 | 20/6:04.611 |
| 14 | 3 | 20.760 | 20/6:08.224 |
| 15 | 3 | 17.941 | 20/6:07.597 |
| 16 | 3 | 18.082 | 20/6:07.225 |
| 17 | 3 | 18.233 | 20/6:07.074 |
| 18 | 3 | 17.770 | 20/6:06.426 |
| 19 | 3 | 18.439 | 20/6:06.549 |
| 20 | 3 | 18.699 | 20/6:06.921 |