| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.997 | 21/6:17.937 |
| 2 | 1 | 18.228 | 20/6:02.250 |
| 3 | 2 | 18.389 | 20/6:04.093 |
| 4 | 1 | 17.824 | 20/6:02.190 |
| 5 | 1 | 18.131 | 20/6:02.276 |
| 6 | 1 | 17.657 | 20/6:00.753 |
| 7 | 1 | 17.851 | 20/6:00.220 |
| 8 | 1 | 18.593 | 20/6:01.675 |
| 9 | 1 | 19.213 | 20/6:04.184 |
| 10 | 1 | 17.573 | 20/6:02.912 |
| 11 | 1 | 18.352 | 20/6:03.287 |
| 12 | 2 | 18.363 | 20/6:03.618 |
| 13 | 1 | 18.671 | 20/6:04.372 |
| 14 | 1 | 18.088 | 20/6:04.186 |
| 15 | 2 | 23.665 | 20/6:11.460 |
| 16 | 2 | 17.623 | 20/6:10.272 |
| 17 | 2 | 18.503 | 20/6:10.260 |
| 18 | 1 | 18.650 | 20/6:10.412 |
| 19 | 1 | 17.871 | 20/6:09.728 |
| 20 | 1 | 18.033 | 20/6:09.275 |