Farmland randomly does not get trampled when jumping on it while running

While sprinting, jumping on farmland sometimes does not cause it to be trampled.

How to reproduce:

1. Build a flat surface of farmland.
2. Stand on one edge.
3. Begin sprinting while on it.
4. Jump.

Expected result:

Farmland would be trampled by jumping on it while sprinting.

Observed result:

Farmland sometimes does not get trampled by jumping on it while sprinting:

Video:

https://youtu.be/YccwH6xCHb8