| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.556 | 21/6:08.676 |
| 2 | 2 | 18.18 | 21/6:13.338 |
| 3 | 2 | 17.967 | 21/6:14.661 |
| 4 | 2 | 18.085 | 21/6:15.942 |
| 5 | 2 | 17.769 | 21/6:15.383 |
| 6 | 4 | 18.613 | 21/6:17.965 |
| 7 | 4 | 19.240 | 20/6:03.514 |
| 8 | 3 | 17.675 | 20/6:02.262 |
| 9 | 3 | 18.320 | 20/6:02.722 |
| 10 | 3 | 17.721 | 20/6:01.892 |
| 11 | 3 | 17.239 | 20/6:00.336 |
| 12 | 3 | 17.916 | 20/6:00.168 |
| 13 | 3 | 17.117 | 21/6:16.737 |
| 14 | 3 | 18.540 | 21/6:17.637 |
| 15 | 2 | 18.804 | 20/6:00.749 |
| 16 | 3 | 20.620 | 20/6:03.977 |
| 17 | 3 | 17.569 | 20/6:03.236 |
| 18 | 2 | 17.608 | 20/6:02.621 |
| 19 | 2 | 18.353 | 20/6:02.855 |
| 20 | 2 | 18.131 | 20/6:02.843 |