Can flash walk fast?
Can flash walk fast? The Flash is known to have slowed down time perception, and so if he just walks while in the phase, he can super-speed walk. So yes, he can.
Can flash beat Superman?
Flash Is Fast Enough to Beat Superman's Invulnerability Flash's skin and bones have the same consistency as when he was alive at this moment, so the fact his fingers are able to penetrate Superman's skin shows that at his max speed, Flash has enough momentum to essentially strike harder than Clark's skin can resist.