| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.898 | 21/6:15.858 |
| 2 | 2 | 17.777 | 21/6:14.587 |
| 3 | 4 | 17.462 | 21/6:11.959 |
| 4 | 2 | 18.349 | 21/6:15.302 |
| 5 | 2 | 17.806 | 21/6:15.026 |
| 6 | 2 | 19.476 | 20/6:02.560 |
| 7 | 1 | 17.969 | 20/6:02.106 |
| 8 | 1 | 17.184 | 21/6:17.793 |
| 9 | 1 | 19.114 | 20/6:02.300 |
| 10 | 1 | 18.296 | 20/6:02.662 |
| 11 | 1 | 17.824 | 20/6:02.100 |
| 12 | 1 | 17.877 | 20/6:01.720 |
| 13 | 1 | 18.765 | 20/6:02.765 |
| 14 | 2 | 18.636 | 20/6:03.476 |
| 15 | 2 | 17.858 | 20/6:03.055 |
| 16 | 2 | 17.777 | 20/6:02.585 |
| 17 | 2 | 18.172 | 20/6:02.635 |
| 18 | 2 | 20.379 | 20/6:05.132 |
| 19 | 2 | 18.242 | 20/6:05.117 |
| 20 | 2 | 18.768 | 20/6:05.629 |