| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 22.213 | 19/7:02.047 |
| 2 | 3 | 23.597 | 19/7:15.195 |
| 3 | 3 | 20.981 | 19/7:03.010 |
| 4 | 3 | 20.942 | 20/7:18.665 |
| 5 | 3 | 23.173 | 19/7:01.443 |
| 6 | 3 | 22.364 | 19/7:02.022 |
| 7 | 3 | 22.273 | 19/7:02.188 |
| 8 | 3 | 21.705 | 19/7:00.964 |
| 9 | 3 | 21.508 | 20/7:21.680 |
| 10 | 3 | 21.609 | 20/7:20.730 |
| 11 | 3 | 20.462 | 20/7:17.867 |
| 12 | 2 | 22.844 | 20/7:19.452 |
| 13 | 2 | 20.734 | 20/7:17.546 |
| 14 | 3 | 20.532 | 20/7:15.624 |
| 15 | 2 | 21.518 | 20/7:15.273 |
| 16 | 3 | 22.231 | 20/7:15.857 |
| 17 | 2 | 22.181 | 20/7:16.314 |
| 18 | 2 | 22.485 | 20/7:17.058 |
| 19 | 2 | 21.863 | 20/7:17.068 |
| 20 | 2 | 20.712 | 20/7:15.927 |