The guys over at The Speed Gamers (
http://www.thespeedgamers.com) have been going at a 72 hour marathon, completing every Zelda game!
The Speed Gamers do gaming marathons to raise money for various charities. In total they have raised OVER $15,000 dollars. The Speed Gamers are based in the DFW area of Texas, but have members from around the world.
(source: http://www.thespeedgamers.com/)Their current charity is to raise money for Ally's house, which is an organization that helps pay for the expenses of children with cancer.
They are also giving out prizes! (more information in the link)
There is chat and Live video, but please be sure to try and reduce their server loads by NOT refreshing the page.
Some current finishing times are: Oracle of Seasons was completed in 3 hours and 37 minutes.
Majora's Mask was completed in 7 hours and 14 minutes.
Ocarina of Time was completed in 7 and a half hours.
Links Awakening in 2 hours 8 minutes!
You can follow this via Twitter (
http://twitter.com/thespeedgamers) or their website.