Lerp not Lerping

I’m setting up a first person character. Now I have it set up so that while crouched if sprint is pressed character stands up and sprints. The first time the change in height and speed while standing up is gradual (as intended), but after that it is just sudden. I am quite new to unreal engine, so any help is appreciated. I’ve been cracking at it for days with no results.

Here is the stand up event:

Here is the sprint event:

Here is the crouch event: