| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 22.234 | N/A |
| 2 | 2 | 20.146 | 18/6:04.716 |
| 3 | 2 | 19.788 | 18/6:01.673 |
| 4 | 1 | 20.187 | 18/6:02.919 |
| 5 | 1 | 20.539 | 18/6:05.039 |
| 6 | 1 | 20.210 | 18/6:05.192 |
| 7 | 1 | 20.555 | 18/6:06.271 |
| 8 | 1 | 20.638 | 18/6:07.244 |
| 9 | 1 | 20.909 | 18/6:08.549 |
| 10 | 1 | 20.518 | 18/6:08.826 |
| 11 | 1 | 20.526 | 18/6:09.061 |
| 12 | 1 | 20.593 | 18/6:09.357 |
| 13 | 1 | 20.564 | 18/6:09.562 |
| 14 | 1 | 20.697 | 18/6:09.910 |
| 15 | 1 | 20.531 | 18/6:10.006 |
| 16 | 1 | 20.676 | 18/6:10.254 |
| 17 | 1 | 20.799 | 18/6:10.602 |
| 18 | 1 | 20.904 | 18/6:11.014 |