| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 21.851 | N/A |
| 2 | 1 | 20.940 | 23/8:02.531 |
| 3 | 1 | 21.350 | 23/8:07.041 |
| 4 | 3 | 33.999 | 20/8:25.014 |
| 5 | 1 | 20.192 | 20/8:00.135 |
| 6 | 1 | 22.040 | 21/8:15.935 |
| 7 | 1 | 25.456 | 21/8:21.774 |
| 8 | 1 | 27.182 | 20/8:06.425 |
| 9 | 3 | 26.455 | 20/8:11.184 |
| 10 | 3 | 23.986 | 20/8:09.673 |
| 11 | 3 | 23.616 | 20/8:07.761 |
| 12 | 3 | 27.834 | 20/8:13.482 |
| 13 | 3 | 23.028 | 20/8:10.641 |
| 14 | 3 | 23.409 | 20/8:08.793 |
| 15 | 3 | 19.986 | 20/8:02.564 |
| 16 | 3 | 22.084 | 21/8:23.927 |
| 17 | 3 | 24.264 | 20/8:00.013 |
| 18 | 1 | 20.978 | 21/8:20.438 |
| 19 | 1 | 20.696 | 21/8:16.845 |
| 20 | 1 | 25.381 | 21/8:18.562 |
| 21 | 1 | 23.005 | 21/8:17.732 |