| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 27.424 | N/A |
| 2 | 1 | 25.531 | 19/8:06.982 |
| 3 | 1 | 25.306 | 19/8:04.957 |
| 4 | 1 | 25.271 | 19/8:04.072 |
| 5 | 1 | 25.374 | 19/8:04.093 |
| 6 | 1 | 24.789 | 19/8:01.999 |
| 7 | 1 | 24.897 | 19/8:00.928 |
| 8 | 1 | 25.043 | 19/8:00.538 |
| 9 | 1 | 24.903 | 20/8:25.069 |
| 10 | 1 | 25.956 | 19/8:01.564 |
| 11 | 1 | 25.795 | 19/8:02.581 |
| 12 | 1 | 25.417 | 19/8:02.794 |
| 13 | 1 | 25.775 | 19/8:03.509 |
| 14 | 1 | 25.940 | 19/8:04.342 |
| 15 | 1 | 25.249 | 19/8:04.168 |
| 16 | 1 | 26.600 | 19/8:05.639 |
| 17 | 1 | 26.218 | 19/8:06.496 |
| 18 | 1 | 24.906 | 19/8:05.862 |
| 19 | 1 | 25.416 | 19/8:05.810 |