| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.775 | 20/6:15.500 |
| 2 | 3 | 18.695 | 20/6:14.700 |
| 3 | 3 | 18.455 | 20/6:12.833 |
| 4 | 2 | 18.928 | 20/6:14.265 |
| 5 | 2 | 18.073 | 20/6:11.704 |
| 6 | 2 | 18.700 | 20/6:12.087 |
| 7 | 2 | 18.174 | 20/6:10.857 |
| 8 | 2 | 17.753 | 20/6:08.882 |
| 9 | 2 | 18.119 | 20/6:08.160 |
| 10 | 1 | 18.605 | 20/6:08.554 |
| 11 | 2 | 18.069 | 20/6:07.902 |
| 12 | 2 | 18.323 | 20/6:07.782 |
| 13 | 2 | 18.243 | 20/6:07.557 |
| 14 | 2 | 18.852 | 20/6:08.234 |
| 15 | 1 | 18.026 | 20/6:07.720 |
| 16 | 1 | 18.019 | 20/6:07.261 |
| 17 | 1 | 17.425 | 20/6:06.158 |
| 18 | 1 | 17.918 | 20/6:05.724 |
| 19 | 1 | 17.603 | 20/6:05.005 |
| 20 | 1 | 19.181 | 20/6:05.936 |