| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.038 | N/A |
| 2 | 2 | 17.862 | 21/6:17.278 |
| 3 | 2 | 17.507 | 21/6:13.728 |
| 4 | 2 | 17.452 | 21/6:12.178 |
| 5 | 2 | 16.966 | 21/6:08.973 |
| 6 | 2 | 17.612 | 21/6:09.634 |
| 7 | 2 | 17.809 | 21/6:10.731 |
| 8 | 2 | 17.639 | 21/6:11.029 |
| 9 | 2 | 17.503 | 21/6:10.913 |
| 10 | 2 | 17.496 | 21/6:10.806 |
| 11 | 2 | 17.872 | 21/6:11.474 |
| 12 | 2 | 17.939 | 21/6:12.141 |
| 13 | 2 | 17.658 | 21/6:12.229 |
| 14 | 2 | 17.935 | 21/6:12.730 |
| 15 | 2 | 18.102 | 21/6:13.398 |
| 16 | 2 | 19.154 | 21/6:15.379 |
| 17 | 2 | 18.672 | 21/6:16.510 |
| 18 | 2 | 17.876 | 21/6:16.572 |
| 19 | 2 | 17.819 | 21/6:16.563 |
| 20 | 2 | 18.201 | 21/6:16.958 |
| 21 | 1 | 18.610 | 21/6:17.722 |