| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 6 | 28.684 | N/A |
| 2 | 6 | 25.222 | 19/8:02.068 |
| 3 | 6 | 22.800 | 20/8:04.893 |
| 4 | 6 | 27.345 | 19/8:00.886 |
| 5 | 6 | 26.165 | 19/8:05.578 |
| 6 | 5 | 24.926 | 19/8:03.932 |
| 7 | 5 | 24.534 | 19/8:01.066 |
| 8 | 5 | 24.451 | 20/8:24.886 |
| 9 | 5 | 28.364 | 19/8:07.249 |
| 10 | 5 | 22.807 | 19/8:01.912 |
| 11 | 5 | 29.040 | 19/8:08.861 |
| 12 | 4 | 22.434 | 19/8:03.737 |
| 13 | 5 | 28.678 | 19/8:08.833 |
| 14 | 5 | 35.298 | 19/8:22.311 |
| 15 | 5 | 28.374 | 19/8:24.961 |