Brad Walkers potential?

[zack]

His running mechanics definitely break down at the end of his long run. It will definitely be better next year though.

[Barto]

Learning the mechanics of a long approach is the single biggest difference between jumping good and jumping great.

You spend your whole early career learning to vault and then you backup and have everything you thought you knew how to do blow up in your face. Running fast is easy, vaulting fast is the toughest thing in sports.

Barto