| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.540 | N/A |
| 2 | 4 | 24.241 | 20/8:00.119 |
| 3 | 4 | 23.572 | 21/8:17.067 |
| 4 | 4 | 23.967 | 21/8:18.073 |
| 5 | 4 | 23.411 | 21/8:15.495 |
| 6 | 3 | 24.683 | 21/8:19.036 |
| 7 | 3 | 23.676 | 21/8:18.004 |
| 8 | 3 | 23.841 | 21/8:17.008 |
| 9 | 3 | 24.298 | 21/8:18.762 |
| 10 | 3 | 23.541 | 21/8:17.828 |
| 11 | 3 | 23.511 | 21/8:17.022 |
| 12 | 3 | 23.582 | 21/8:16.490 |
| 13 | 3 | 23.974 | 21/8:16.701 |
| 14 | 3 | 23.830 | 21/8:16.658 |
| 15 | 3 | 23.727 | 21/8:16.474 |
| 16 | 3 | 24.016 | 21/8:16.007 |
| 17 | 3 | 23.458 | 21/8:16.002 |
| 18 | 4 | 26.947 | 21/8:19.863 |
| 19 | 4 | 23.510 | 21/8:19.301 |
| 20 | 4 | 23.774 | 21/8:19.075 |
| 21 | 3 | 24.150 | 21/8:19.249 |