What is Superman's top speed?
What is Superman's top speed? Superman can travel 186,000 miles per second, and if needed he can travel at a speed thousand times higher than that. Superman's reaction time is less than 1 attosecond, which is 1×10-18 of a second.
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.