| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.257 | 19/6:05.883 |
| 2 | 1 | 18.059 | 20/6:13.160 |
| 3 | 3 | 19.105 | 20/6:16.140 |
| 4 | 2 | 17.567 | 20/6:09.940 |
| 5 | 3 | 21.371 | 19/6:02.364 |
| 6 | 3 | 17.771 | 20/6:17.100 |
| 7 | 3 | 20.205 | 19/6:01.909 |
| 8 | 3 | 17.753 | 20/6:17.720 |
| 9 | 2 | 18.302 | 20/6:16.422 |
| 10 | 3 | 19.619 | 20/6:18.018 |
| 11 | 3 | 19.825 | 19/6:00.713 |
| 12 | 4 | 23.681 | 19/6:08.149 |
| 13 | 4 | 18.783 | 19/6:07.282 |
| 14 | 4 | 17.872 | 19/6:05.302 |
| 15 | 4 | 17.822 | 19/6:03.523 |
| 16 | 4 | 17.630 | 19/6:01.739 |
| 17 | 4 | 18.080 | 19/6:00.667 |
| 18 | 3 | 18.219 | 20/6:18.801 |
| 19 | 3 | 20.671 | 19/6:01.592 |