| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.795 | 21/6:13.695 |
| 2 | 2 | 17.376 | 21/6:09.296 |
| 3 | 3 | 18.698 | 21/6:17.083 |
| 4 | 3 | 19.632 | 20/6:07.505 |
| 5 | 3 | 17.561 | 20/6:04.248 |
| 6 | 3 | 17.426 | 20/6:01.627 |
| 7 | 3 | 18.076 | 20/6:01.611 |
| 8 | 3 | 18.278 | 20/6:02.105 |
| 9 | 2 | 17.204 | 20/6:00.102 |
| 10 | 3 | 20.443 | 20/6:04.978 |
| 11 | 3 | 17.467 | 20/6:03.556 |
| 12 | 3 | 18.497 | 20/6:04.088 |
| 13 | 3 | 18.232 | 20/6:04.131 |
| 14 | 3 | 17.716 | 20/6:03.430 |
| 15 | 3 | 18.540 | 20/6:03.921 |
| 16 | 3 | 18.074 | 20/6:03.769 |
| 17 | 3 | 18.326 | 20/6:03.931 |
| 18 | 3 | 18.431 | 20/6:04.191 |
| 19 | 3 | 17.834 | 20/6:03.796 |
| 20 | 3 | 18.002 | 20/6:03.608 |