You can get close to EPA estimate if you drive the speed limit and avoid aggressive acceleration, something that almost no one does.
It's very easy to exceed EPA estimates in the city. The optimal speed to drive a Tesla is about 15mph. At that speed a Tesla will exceed EPA range by about 20%.
You’re right though, that’s how you set world records. If you drive an EV at like 10 mph you could go a pretty insane distance. But no normal person would ever do that.