| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.643 | 21/6:10.503 |
| 2 | 1 | 17.486 | 21/6:08.855 |
| 3 | 2 | 17.499 | 21/6:08.396 |
| 4 | 2 | 17.177 | 21/6:06.476 |
| 5 | 2 | 17.309 | 21/6:05.879 |
| 6 | 2 | 17.728 | 21/6:06.947 |
| 7 | 3 | 17.368 | 21/6:06.630 |
| 8 | 3 | 17.925 | 21/6:07.854 |
| 9 | 3 | 17.574 | 21/6:07.988 |
| 10 | 3 | 17.579 | 21/6:08.105 |
| 11 | 4 | 18.951 | 21/6:10.820 |
| 12 | 4 | 16.908 | 21/6:09.507 |
| 13 | 4 | 17.132 | 21/6:08.758 |
| 14 | 4 | 17.485 | 21/6:08.646 |
| 15 | 4 | 17.135 | 21/6:08.059 |
| 16 | 4 | 17.092 | 21/6:07.488 |
| 17 | 5 | 18.739 | 21/6:09.019 |
| 18 | 5 | 20.006 | 21/6:11.859 |
| 19 | 5 | 18.583 | 21/6:12.826 |
| 20 | 5 | 18.323 | 21/6:13.424 |
| 21 | 5 | 19.821 | 21/6:15.463 |