| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 27.324 | N/A |
| 2 | 2 | 26.691 | 18/8:01.071 |
| 3 | 2 | 27.061 | 18/8:04.216 |
| 4 | 2 | 26.471 | 18/8:01.921 |
| 5 | 2 | 34.196 | 17/8:05.000 |
| 6 | 3 | 28.832 | 17/8:05.727 |
| 7 | 3 | 26.673 | 17/8:00.454 |
| 8 | 3 | 25.035 | 18/8:20.795 |
| 9 | 2 | 25.025 | 18/8:14.079 |
| 10 | 2 | 25.727 | 18/8:11.444 |
| 11 | 2 | 26.822 | 18/8:10.630 |
| 12 | 2 | 30.766 | 18/8:16.058 |
| 13 | 2 | 25.216 | 18/8:12.720 |
| 14 | 2 | 26.26 | 18/8:10.920 |
| 15 | 2 | 25.398 | 18/8:08.646 |
| 16 | 2 | 27.639 | 18/8:09.216 |
| 17 | 2 | 27.424 | 18/8:09.486 |
| 18 | 2 | 33.618 | 18/8:15.918 |