What is the fastest time to beat Super Mario Bros?

What is the fastest time to beat Super Mario Bros?

four minutes, 54 secondsSuper Mario Bros. speedrunning is at a fascinating moment; every new record brings people one step closer to reaching what's believed to be the fastest possible time for a human to beat the game: four minutes, 54 seconds, and 32 milliseconds.

How do you run fast in Super Mario Bros?

Running – Running is simple. Just hold X or Y and press left or right on the D-Pad. It takes some time to get up to full speed, and Mario's top speed oscillates, but you don't really have to know about that when you are beginning.