| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.556 | 20/7:11.120 |
| 2 | 2 | 20.543 | 20/7:00.990 |
| 3 | 2 | 21.030 | 20/7:00.860 |
| 4 | 2 | 21.427 | 20/7:02.780 |
| 5 | 2 | 20.928 | 20/7:01.936 |
| 6 | 2 | 21.785 | 20/7:04.230 |
| 7 | 3 | 22.418 | 20/7:07.677 |
| 8 | 3 | 21.155 | 20/7:07.105 |
| 9 | 3 | 21.527 | 20/7:07.487 |
| 10 | 3 | 31.341 | 19/7:05.049 |
| 11 | 3 | 20.140 | 19/7:01.195 |
| 12 | 3 | 21.353 | 20/7:22.005 |
| 13 | 3 | 25.843 | 19/7:05.375 |
| 14 | 3 | 20.521 | 19/7:02.841 |
| 15 | 3 | 20.510 | 19/7:00.631 |
| 16 | 3 | 20.603 | 20/7:20.850 |
| 17 | 3 | 21.299 | 20/7:19.975 |
| 18 | 3 | 20.960 | 20/7:18.821 |
| 19 | 3 | 21.066 | 20/7:17.900 |
| 20 | 3 | 21.374 | 20/7:17.379 |