| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 27.572 | N/A |
| 2 | 2 | 19.706 | 21/7:01.692 |
| 3 | 2 | 20.902 | 21/7:13.652 |
| 4 | 1 | 20.172 | 21/7:12.772 |
| 5 | 3 | 22.593 | 20/7:03.593 |
| 6 | 2 | 20.727 | 20/7:03.152 |
| 7 | 1 | 20.330 | 20/7:01.600 |
| 8 | 1 | 20.531 | 20/7:01.037 |
| 9 | 1 | 18.728 | 21/7:16.794 |
| 10 | 1 | 19.619 | 21/7:14.923 |
| 11 | 1 | 19.470 | 21/7:13.128 |
| 12 | 1 | 19.321 | 21/7:11.388 |
| 13 | 1 | 21.572 | 21/7:13.690 |
| 14 | 1 | 24.802 | 21/7:20.607 |
| 15 | 1 | 19.441 | 21/7:18.877 |
| 16 | 1 | 21.109 | 21/7:19.602 |
| 17 | 1 | 20.662 | 21/7:19.678 |
| 18 | 1 | 16.774 | 21/7:15.170 |
| 19 | 1 | 20.235 | 21/7:15.009 |
| 20 | 1 | 21.376 | 21/7:16.066 |
| 21 | 1 | 26.660 | 21/7:22.302 |