| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 22.937 | 19/7:15.803 |
| 2 | 3 | 25.950 | 18/7:19.983 |
| 3 | 3 | 29.974 | 16/7:00.592 |
| 4 | 3 | 22.473 | 17/7:10.670 |
| 5 | 4 | 27.866 | 17/7:19.280 |
| 6 | 4 | 24.187 | 17/7:14.596 |
| 7 | 4 | 22.906 | 17/7:08.140 |
| 8 | 4 | 25.230 | 17/7:08.236 |
| 9 | 4 | 23.014 | 17/7:04.125 |
| 10 | 4 | 23.534 | 17/7:01.721 |
| 11 | 3 | 21.555 | 18/7:21.206 |
| 12 | 4 | 24.392 | 18/7:21.027 |
| 13 | 4 | 22.048 | 18/7:17.630 |
| 14 | 3 | 23.515 | 18/7:16.604 |
| 15 | 4 | 31.454 | 17/7:00.506 |
| 16 | 4 | 26.371 | 17/7:02.244 |
| 17 | 4 | 21.706 | 18/7:23.766 |
| 18 | 4 | 21.842 | 18/7:20.954 |