- Who
- mitchflowerpower
- What
- 01:10:03 hour(s):minute(s):second(s)
- Where
- Not Applicable ()
- When
The fastest 100% completion of Super Mario Bros. 3 (Nintendo Entertainment System) was achieved by "mitchflowerpower" (USA). According to figures provided by Speedrun.com, as of 19 March 2020 mitchflowerpower topped the leaderboard with a time of 1 hour 10 minutes 3 seconds.