4:53 Is Possible

4:53 is Possible

4:53 is Almost Possible

4:52 is Possible - Mario Speedrun Explained

Super Mario Bros. TAS vs. RTA World Record (4:54.631 by Niftski)

4:53 in Super Mario Bros. is Possible...kinda

Super Mario Bros. Any% Speedrun in 4:54.631 WR

4:53 IS POSSIBLE. STEP ASIDE MARIO BROS

CarnyJared Clips

Why 4:53 in Super Mario Bros. speedrunning is impossible

Huge NEW Skip in Mario Speedrunning

Super Mario Bros. AISSON in 4:40.688

Why 4:54 is the perfect speedrun - Super Mario Bros. World Record Speedrun Explained

4:53.284 Spliced Demonstration of SMB1 Any% All Stars (with Commentary)

Famous Mario Speedrunner Caught CHEATING

4:54.931 Any% on Original Hardware

The Unseen Side of Speedrunning - 4:58.941 All Attempts [SMB1 Any%]

This Mario Powerup Was Never Supposed to Exist

Passing Super Mario Bros. in 5 minutes

[TAS] PAL Super Mario Bros. Any% in 4:51.719

This Guy is Literally TOO GOOD at Speedrunning

Super Mario Bros: The Human Limit