| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.576 | 20/6:11.520 |
| 2 | 4 | 18.591 | 20/6:11.670 |
| 3 | 4 | 18.995 | 20/6:14.413 |
| 4 | 4 | 18.699 | 20/6:14.305 |
| 5 | 4 | 18.258 | 20/6:12.476 |
| 6 | 4 | 18.463 | 20/6:11.940 |
| 7 | 4 | 18.317 | 20/6:11.140 |
| 8 | 4 | 18.526 | 20/6:11.063 |
| 9 | 4 | 17.769 | 20/6:09.320 |
| 10 | 4 | 17.740 | 20/6:07.868 |
| 11 | 4 | 17.676 | 20/6:06.564 |
| 12 | 4 | 18.092 | 20/6:06.170 |
| 13 | 4 | 17.770 | 20/6:05.342 |
| 14 | 4 | 17.725 | 20/6:04.567 |
| 15 | 4 | 18.968 | 20/6:05.553 |
| 16 | 4 | 17.519 | 20/6:04.605 |
| 17 | 4 | 18.591 | 20/6:05.029 |
| 18 | 4 | 17.731 | 20/6:04.451 |
| 19 | 4 | 17.332 | 20/6:03.514 |
| 20 | 4 | 18.232 | 20/6:03.570 |