| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.417 | 21/6:05.757 |
| 2 | 1 | 17.356 | 21/6:05.117 |
| 3 | 1 | 18.569 | 21/6:13.394 |
| 4 | 1 | 17.793 | 21/6:13.459 |
| 5 | 2 | 17.405 | 21/6:11.868 |
| 6 | 3 | 19.393 | 21/6:17.765 |
| 7 | 4 | 26.087 | 19/6:03.769 |
| 8 | 4 | 17.312 | 20/6:18.330 |
| 9 | 4 | 16.815 | 20/6:13.660 |
| 10 | 4 | 20.707 | 20/6:17.708 |
| 11 | 4 | 18.920 | 20/6:17.771 |
| 12 | 4 | 17.363 | 20/6:15.228 |
| 13 | 4 | 17.845 | 20/6:13.818 |
| 14 | 4 | 17.099 | 20/6:11.544 |
| 15 | 4 | 17.729 | 20/6:10.413 |
| 16 | 3 | 18.301 | 20/6:10.139 |
| 17 | 3 | 18.119 | 20/6:09.682 |
| 18 | 3 | 17.749 | 20/6:08.866 |
| 19 | 4 | 21.264 | 20/6:11.835 |
| 20 | 4 | 17.596 | 20/6:10.839 |