| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.988 | 21/6:17.748 |
| 2 | 4 | 17.802 | 21/6:15.795 |
| 3 | 4 | 17.805 | 21/6:15.165 |
| 4 | 3 | 18.822 | 20/6:02.085 |
| 5 | 3 | 17.510 | 21/6:17.693 |
| 6 | 3 | 17.338 | 21/6:15.428 |
| 7 | 3 | 21.617 | 20/6:08.234 |
| 8 | 3 | 17.824 | 20/6:06.765 |
| 9 | 3 | 17.419 | 20/6:04.722 |
| 10 | 3 | 17.933 | 20/6:04.116 |
| 11 | 3 | 16.814 | 20/6:01.585 |
| 12 | 3 | 17.183 | 20/6:00.092 |
| 13 | 3 | 17.180 | 21/6:16.764 |
| 14 | 3 | 17.289 | 21/6:15.786 |
| 15 | 3 | 18.598 | 21/6:16.771 |
| 16 | 2 | 17.280 | 21/6:15.903 |
| 17 | 3 | 21.804 | 20/6:02.595 |
| 18 | 4 | 20.322 | 20/6:05.031 |
| 19 | 3 | 16.957 | 20/6:03.668 |
| 20 | 4 | 17.911 | 20/6:03.396 |