| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 22.705 | N/A |
| 2 | 1 | 20.263 | 21/7:07.965 |
| 3 | 1 | 20.895 | 21/7:14.285 |
| 4 | 1 | 20.886 | 21/7:16.331 |
| 5 | 1 | 21.286 | 21/7:19.355 |
| 6 | 1 | 20.793 | 21/7:19.197 |
| 7 | 2 | 23.446 | 20/7:06.673 |
| 8 | 2 | 20.853 | 20/7:05.564 |
| 9 | 2 | 20.857 | 20/7:04.742 |
| 10 | 2 | 21.156 | 20/7:04.734 |
| 11 | 2 | 20.921 | 20/7:04.281 |
| 12 | 2 | 20.997 | 20/7:04.042 |
| 13 | 2 | 20.847 | 20/7:03.605 |
| 14 | 2 | 20.910 | 20/7:03.327 |
| 15 | 2 | 21.008 | 20/7:03.222 |
| 16 | 2 | 22.540 | 20/7:05.071 |
| 17 | 2 | 21.173 | 20/7:05.066 |
| 18 | 2 | 20.866 | 20/7:04.719 |
| 19 | 1 | 22.172 | 20/7:05.788 |
| 20 | 2 | 23.158 | 20/7:07.732 |