| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 26.695 | N/A |
| 2 | 2 | 22.884 | 21/8:04.375 |
| 3 | 2 | 22.451 | 21/8:00.045 |
| 4 | 2 | 21.859 | 22/8:17.053 |
| 5 | 2 | 23.920 | 21/8:02.265 |
| 6 | 3 | 30.252 | 20/8:07.885 |
| 7 | 3 | 32.250 | 19/8:07.543 |
| 8 | 3 | 25.748 | 19/8:07.916 |
| 9 | 3 | 27.358 | 19/8:11.819 |
| 10 | 3 | 27.326 | 19/8:14.791 |
| 11 | 3 | 24.024 | 19/8:11.224 |
| 12 | 3 | 22.965 | 19/8:06.573 |
| 13 | 3 | 31.528 | 19/8:15.542 |
| 14 | 3 | 24.252 | 19/8:13.057 |
| 15 | 3 | 22.301 | 19/8:08.418 |
| 16 | 3 | 23.872 | 19/8:06.283 |
| 17 | 3 | 31.841 | 19/8:13.379 |
| 18 | 3 | 37.053 | 19/8:25.160 |
| 19 | 3 | 28.360 | 19/8:26.939 |