| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.545 | 21/6:08.445 |
| 2 | 1 | 17.926 | 21/6:12.446 |
| 3 | 1 | 18.372 | 21/6:16.901 |
| 4 | 1 | 17.629 | 21/6:15.228 |
| 5 | 3 | 20.540 | 20/6:08.048 |
| 6 | 2 | 17.643 | 20/6:05.517 |
| 7 | 2 | 18.055 | 20/6:04.886 |
| 8 | 1 | 17.137 | 20/6:02.118 |
| 9 | 1 | 18.076 | 20/6:02.051 |
| 10 | 1 | 19.186 | 20/6:04.218 |
| 11 | 1 | 17.559 | 20/6:03.033 |
| 12 | 1 | 17.360 | 20/6:01.713 |
| 13 | 1 | 25.007 | 20/6:12.362 |
| 14 | 1 | 17.382 | 20/6:10.596 |
| 15 | 1 | 17.364 | 20/6:09.041 |
| 16 | 1 | 18.158 | 20/6:08.674 |
| 17 | 1 | 17.929 | 20/6:08.080 |
| 18 | 1 | 17.463 | 20/6:07.034 |
| 19 | 1 | 18.049 | 20/6:06.716 |
| 20 | 1 | 17.597 | 20/6:05.977 |