| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.432 | 20/6:08.640 |
| 2 | 2 | 17.465 | 21/6:16.918 |
| 3 | 1 | 18.780 | 20/6:04.513 |
| 4 | 1 | 18.473 | 20/6:05.750 |
| 5 | 1 | 18.441 | 20/6:06.364 |
| 6 | 1 | 18.559 | 20/6:07.167 |
| 7 | 1 | 18.191 | 20/6:06.689 |
| 8 | 1 | 19.649 | 20/6:09.975 |
| 9 | 1 | 18.294 | 20/6:09.520 |
| 10 | 1 | 18.370 | 20/6:09.308 |
| 11 | 1 | 20.371 | 20/6:12.773 |
| 12 | 1 | 18.209 | 20/6:12.057 |
| 13 | 1 | 19.075 | 20/6:12.783 |
| 14 | 1 | 20.076 | 20/6:14.836 |
| 15 | 1 | 18.432 | 20/6:14.423 |
| 16 | 1 | 18.917 | 20/6:14.668 |
| 17 | 1 | 18.105 | 20/6:13.928 |
| 18 | 1 | 18.745 | 20/6:13.982 |
| 19 | 1 | 18.719 | 20/6:14.003 |
| 20 | 1 | 21.684 | 20/6:16.987 |