Why 4:54 is the perfect speedrun - Super Mario Bros. World Record Speedrun Explained Chapters: 00:00 - Intro 01:48 - 1-1, Flagpole Glitch, Framerules 06:18 - 1-2, Pipe clip 09:40 - 4-1 10:13 - 4-2, Wrong warp 12:19 - 8-1, Fast acceleration 15:13 - 8-2, Bullet Bill Glitch 20:09 - 8-3 21:34 - 8-4 26:30 - Possible improvements 33:43 - Conclusion