| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.248 | N/A |
| 2 | 2 | 20.420 | 21/7:11.648 |
| 3 | 2 | 20.048 | 21/7:07.928 |
| 4 | 2 | 19.337 | 21/7:01.948 |
| 5 | 2 | 21.387 | 21/7:09.208 |
| 6 | 3 | 23.437 | 20/7:00.838 |
| 7 | 3 | 20.694 | 20/7:00.104 |
| 8 | 3 | 19.851 | 21/7:18.030 |
| 9 | 3 | 20.025 | 21/7:16.245 |
| 10 | 3 | 20.649 | 21/7:16.243 |
| 11 | 3 | 21.820 | 21/7:18.584 |
| 12 | 4 | 21.966 | 21/7:20.764 |
| 13 | 4 | 19.955 | 21/7:19.229 |
| 14 | 4 | 19.233 | 21/7:16.820 |
| 15 | 4 | 21.416 | 21/7:17.873 |
| 16 | 3 | 19.269 | 21/7:15.924 |
| 17 | 4 | 23.643 | 21/7:19.685 |
| 18 | 3 | 21.356 | 21/7:20.313 |
| 19 | 3 | 19.765 | 21/7:19.104 |
| 20 | 3 | 23.534 | 20/7:01.053 |