| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.687 | N/A |
| 2 | 1 | 17.189 | 21/6:04.467 |
| 3 | 2 | 18.335 | 21/6:15.927 |
| 4 | 2 | 18.198 | 20/6:00.926 |
| 5 | 2 | 16.853 | 21/6:13.562 |
| 6 | 1 | 17.571 | 21/6:13.271 |
| 7 | 2 | 18.593 | 21/6:16.483 |
| 8 | 2 | 17.090 | 21/6:14.484 |
| 9 | 2 | 16.763 | 21/6:12.167 |
| 10 | 2 | 17.188 | 21/6:11.309 |
| 11 | 2 | 16.795 | 21/6:09.837 |
| 12 | 2 | 16.733 | 21/6:08.519 |
| 13 | 2 | 16.992 | 21/6:07.853 |
| 14 | 2 | 17.703 | 21/6:08.383 |
| 15 | 2 | 17.133 | 21/6:08.024 |
| 16 | 2 | 20.042 | 21/6:11.591 |
| 17 | 2 | 17.440 | 21/6:11.459 |
| 18 | 2 | 17.563 | 21/6:11.488 |
| 19 | 2 | 17.593 | 21/6:11.547 |
| 20 | 2 | 17.133 | 21/6:11.115 |
| 21 | 2 | 17.219 | 21/6:10.813 |