- Who
- Taylor Geren
- Where
- United States (Fredericksburg)
- When
The fastest completion of The Galaxy's Greatest Wave on Super Mario Galaxy (Nintendo, 2007) is 49.28 seconds, and was achieved by Taylor Geren (USA), in Fredericksburg, Texas, USA, on 29 June 2015.
This record was broken on the Guinness World Record Challengers site (Challengers' tag: ohmahjesus): http://challengers.guinnessworldrecords.com/challenges/59-fastest-completion-of-the-galaxys-greatest-wave-in-super-mario-galaxy-wii/attempts/6845