| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.969 | 21/6:17.349 |
| 2 | 2 | 17.869 | 21/6:16.299 |
| 3 | 2 | 18.035 | 21/6:17.111 |
| 4 | 2 | 17.908 | 21/6:16.850 |
| 5 | 2 | 18.107 | 21/6:17.530 |
| 6 | 2 | 18.209 | 20/6:00.323 |
| 7 | 2 | 17.443 | 21/6:16.620 |
| 8 | 2 | 17.546 | 21/6:15.601 |
| 9 | 2 | 17.276 | 21/6:14.178 |
| 10 | 3 | 17.682 | 21/6:13.892 |
| 11 | 3 | 17.365 | 21/6:13.054 |
| 12 | 3 | 18.381 | 21/6:14.132 |
| 13 | 3 | 17.753 | 21/6:14.031 |
| 14 | 3 | 17.134 | 21/6:13.016 |
| 15 | 3 | 18.113 | 21/6:13.506 |
| 16 | 3 | 19.357 | 21/6:15.568 |
| 17 | 4 | 18.408 | 21/6:16.215 |
| 18 | 2 | 18.485 | 21/6:16.880 |
| 19 | 2 | 17.472 | 21/6:16.355 |
| 20 | 2 | 17.708 | 21/6:16.131 |
| 21 | 2 | 17.986 | 21/6:16.206 |