| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 32.441 | N/A |
| 2 | 5 | 19.751 | 21/7:07.461 |
| 3 | 4 | 20.092 | 21/7:10.871 |
| 4 | 4 | 18.903 | 21/7:04.081 |
| 5 | 4 | 19.312 | 21/7:02.731 |
| 6 | 4 | 25.984 | 20/7:07.800 |
| 7 | 4 | 19.854 | 20/7:04.778 |
| 8 | 4 | 19.904 | 20/7:02.755 |
| 9 | 4 | 22.607 | 20/7:07.657 |
| 10 | 4 | 19.071 | 20/7:04.005 |
| 11 | 4 | 24.678 | 20/7:11.737 |
| 12 | 4 | 22.341 | 20/7:14.026 |
| 13 | 4 | 19.128 | 20/7:10.847 |
| 14 | 4 | 22.162 | 20/7:12.591 |
| 15 | 4 | 20.371 | 20/7:11.655 |
| 16 | 4 | 19.530 | 20/7:09.779 |
| 17 | 4 | 18.884 | 20/7:07.370 |
| 18 | 4 | 19.071 | 20/7:05.453 |
| 19 | 4 | 20.004 | 20/7:04.735 |
| 20 | 4 | 18.894 | 20/7:02.982 |