Trying to recreate 2d sonic running animation

How do I...?
5

I’m trying to recreate it perfectly, based on the original physics, like that.

imgur.com/a/Mz3Jm

For now here’s what i did:

Animation of Jogging :

imgur.com/a/bcvWx

Animation that i want when he reach Max Speed :

imgur.com/a/YfxA0

My Events so far :

imgur.com/a/0R0E1