| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.472 | 21/7:09.912 |
| 2 | 3 | 20.224 | 21/7:07.308 |
| 3 | 3 | 21.375 | 21/7:14.497 |
| 4 | 4 | 21.500 | 21/7:18.748 |
| 5 | 3 | 19.718 | 21/7:13.814 |
| 6 | 3 | 19.665 | 21/7:10.339 |
| 7 | 3 | 20.023 | 21/7:08.931 |
| 8 | 3 | 21.149 | 21/7:10.831 |
| 9 | 3 | 19.508 | 21/7:08.479 |
| 10 | 3 | 19.609 | 21/7:06.810 |
| 11 | 3 | 19.231 | 21/7:04.723 |
| 12 | 3 | 21.317 | 21/7:06.634 |
| 13 | 3 | 19.745 | 21/7:05.712 |
| 14 | 3 | 19.676 | 21/7:04.818 |
| 15 | 3 | 19.319 | 21/7:03.543 |
| 16 | 3 | 19.915 | 21/7:03.210 |
| 17 | 3 | 19.573 | 21/7:02.494 |
| 18 | 3 | 19.425 | 21/7:01.685 |
| 19 | 3 | 19.192 | 21/7:00.703 |
| 20 | 3 | 21.447 | 21/7:02.187 |
| 21 | 3 | 19.139 | 21/7:01.222 |