| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.917 | 21/7:19.257 |
| 2 | 2 | 26.034 | 18/7:02.559 |
| 3 | 2 | 21.923 | 19/7:16.202 |
| 4 | 2 | 22.515 | 19/7:14.098 |
| 5 | 3 | 23.424 | 19/7:16.289 |
| 6 | 2 | 22.261 | 19/7:14.068 |
| 7 | 2 | 24.101 | 19/7:17.475 |
| 8 | 2 | 27.658 | 18/7:04.874 |
| 9 | 2 | 20.802 | 19/7:22.563 |
| 10 | 2 | 22.370 | 19/7:20.809 |
| 11 | 2 | 27.493 | 18/7:04.633 |
| 12 | 2 | 31.115 | 18/7:15.919 |
| 13 | 2 | 23.531 | 18/7:14.969 |
| 14 | 3 | 24.348 | 18/7:15.204 |
| 15 | 2 | 20.830 | 18/7:11.186 |
| 16 | 2 | 22.356 | 18/7:09.388 |
| 17 | 2 | 21.467 | 18/7:06.859 |
| 18 | 2 | 22.363 | 18/7:05.508 |