| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.040 | 21/7:00.840 |
| 2 | 2 | 22.169 | 20/7:02.090 |
| 3 | 2 | 20.343 | 21/7:17.864 |
| 4 | 1 | 19.802 | 21/7:12.359 |
| 5 | 2 | 19.939 | 21/7:09.631 |
| 6 | 1 | 19.354 | 21/7:05.764 |
| 7 | 1 | 20.830 | 21/7:07.431 |
| 8 | 1 | 19.736 | 21/7:05.809 |
| 9 | 1 | 20.166 | 21/7:05.551 |
| 10 | 2 | 20.540 | 21/7:06.130 |
| 11 | 2 | 20.414 | 21/7:06.363 |
| 12 | 2 | 19.715 | 21/7:05.334 |
| 13 | 2 | 19.805 | 21/7:04.609 |
| 14 | 2 | 19.602 | 21/7:03.682 |
| 15 | 2 | 19.886 | 21/7:03.277 |
| 16 | 2 | 19.917 | 21/7:02.964 |
| 17 | 2 | 19.735 | 21/7:02.462 |
| 18 | 2 | 19.713 | 21/7:01.990 |
| 19 | 3 | 23.439 | 21/7:05.687 |
| 20 | 3 | 19.752 | 21/7:05.142 |
| 21 | 3 | 19.038 | 21/7:03.935 |