| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.185 | N/A |
| 2 | 1 | 19.891 | 21/7:01.005 |
| 3 | 1 | 20.293 | 21/7:05.025 |
| 4 | 1 | 19.960 | 21/7:04.145 |
| 5 | 1 | 19.703 | 21/7:02.042 |
| 6 | 1 | 20.351 | 21/7:03.977 |
| 7 | 1 | 20.537 | 21/7:05.635 |
| 8 | 1 | 20.284 | 21/7:06.096 |
| 9 | 1 | 20.483 | 21/7:06.094 |
| 10 | 1 | 19.779 | 21/7:06.031 |
| 11 | 1 | 21.356 | 21/7:08.459 |
| 12 | 1 | 21.192 | 21/7:10.146 |
| 13 | 1 | 20.980 | 21/7:11.002 |
| 14 | 1 | 20.255 | 21/7:10.975 |
| 15 | 1 | 19.728 | 21/7:10.030 |
| 16 | 1 | 20.434 | 21/7:10.153 |
| 17 | 1 | 20.627 | 21/7:10.501 |
| 18 | 1 | 20.296 | 21/7:10.419 |
| 19 | 1 | 21.975 | 21/7:12.211 |
| 20 | 1 | 21.103 | 21/7:12.897 |
| 21 | 1 | 21.136 | 21/7:13.548 |