| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.427 | 21/6:05.967 |
| 2 | 3 | 17.771 | 21/6:09.579 |
| 3 | 5 | 20.615 | 20/6:12.087 |
| 4 | 5 | 17.993 | 20/6:09.030 |
| 5 | 5 | 17.901 | 20/6:06.828 |
| 6 | 5 | 17.490 | 20/6:03.990 |
| 7 | 5 | 18.782 | 20/6:05.654 |
| 8 | 5 | 18.255 | 20/6:05.585 |
| 9 | 5 | 17.890 | 20/6:04.720 |
| 10 | 5 | 18.043 | 20/6:04.334 |
| 11 | 5 | 18.303 | 20/6:04.491 |
| 12 | 5 | 17.380 | 20/6:03.083 |
| 13 | 5 | 17.726 | 20/6:02.425 |
| 14 | 5 | 18.409 | 20/6:02.836 |
| 15 | 5 | 17.580 | 20/6:02.087 |
| 16 | 5 | 18.474 | 20/6:02.549 |
| 17 | 6 | 18.004 | 20/6:02.404 |
| 18 | 4 | 18.543 | 20/6:02.873 |
| 19 | 4 | 19.092 | 20/6:03.872 |
| 20 | 4 | 18.681 | 20/6:04.359 |