Revert "Added sprinting."

This reverts commit 60df0398e59b69285e96ccd0536361115887361a.
Revert "Revert "Added sprinting.""

This reverts commit 51c5b7259ef82291204f683d177e18c13bd19e22.
Revert "Revert "Revert "Added sprinting."""

This reverts commit bafbb626c08cdb8c4fbf26c42181f9b29f283aa5.