| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 25.821 | N/A |
| 2 | 2 | 23.948 | 20/8:00.833 |
| 3 | 2 | 26.296 | 20/8:23.139 |
| 4 | 2 | 24.240 | 20/8:17.553 |
| 5 | 2 | 25.989 | 20/8:23.067 |
| 6 | 2 | 23.988 | 20/8:18.772 |
| 7 | 2 | 23.731 | 20/8:15.095 |
| 8 | 2 | 25.824 | 20/8:18.150 |
| 9 | 2 | 25.120 | 20/8:18.769 |
| 10 | 2 | 27.146 | 20/8:23.527 |
| 11 | 2 | 23.780 | 20/8:20.938 |
| 12 | 2 | 25.809 | 20/8:22.325 |
| 13 | 2 | 24.677 | 20/8:21.688 |
| 14 | 2 | 31.227 | 19/8:05.201 |
| 15 | 5 | 41.937 | 19/8:26.307 |
| 16 | 4 | 25.422 | 19/8:24.781 |
| 17 | 4 | 26.634 | 19/8:24.081 |
| 18 | 4 | 28.238 | 19/8:26.533 |
| 19 | 4 | 29.457 | 19/8:29.284 |