*These are the things I think define a zombie. They are just opinions and open for debate.
✔ Zombies are slow. By definition, zombies are dead bodies. Dead bodies (if ever they rose from the dead) will be slow. It is a half-rotted piece of meat that was either wore down par a sickness and made weak and feeble ou a body that has been give a deep gash (the bite that infected them). Either way the body has been beaten down and let to rot, therefore there is no reason it could déplacer at the same speed a living human could. Yes, they can accelerate past their steady limp. But can they run? No.