| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 8 | 17.500 | 21/6:07.500 |
| 2 | 3 | 17.186 | 21/6:04.203 |
| 3 | 3 | 17.725 | 21/6:06.877 |
| 4 | 3 | 16.937 | 21/6:04.077 |
| 5 | 3 | 17.597 | 21/6:05.169 |
| 6 | 3 | 17.503 | 21/6:05.568 |
| 7 | 3 | 17.229 | 21/6:05.031 |
| 8 | 3 | 18.225 | 21/6:07.243 |
| 9 | 4 | 20.116 | 21/6:13.375 |
| 10 | 4 | 17.137 | 21/6:12.025 |
| 11 | 3 | 16.989 | 21/6:10.639 |
| 12 | 3 | 16.834 | 21/6:09.211 |
| 13 | 4 | 18.185 | 21/6:10.186 |
| 14 | 4 | 17.273 | 21/6:09.654 |
| 15 | 4 | 17.743 | 21/6:09.851 |
| 16 | 4 | 16.873 | 21/6:08.881 |
| 17 | 4 | 17.388 | 21/6:08.661 |
| 18 | 4 | 17.928 | 21/6:09.096 |
| 19 | 3 | 17.502 | 21/6:09.014 |
| 20 | 3 | 18.482 | 21/6:09.970 |
| 21 | 3 | 17.562 | 21/6:09.914 |