Games Done Quick is a series of charity video game marathons. These events feature high-level gameplay by speedrunners raising money for charity. Games Done Quick has teamed up with several charities in its nine-year history, including Doctors Without Borders and the Prevent Cancer Foundation. We ar...
AGDQ is an annual speedrunning marathon streamed live on Twitch over the course of 1 week to raise money for charity. Donations for this year's event will go to the Prevent Cancer Foundation.
Looking at that one, they have it labeled as "showcase" so they'll probably do a limited collection of content in the game to demonstrate particular tricks and strategies but not the whole thing.
It sounds like it will be more free-form, but going forward, I suppose we will see individual UFO 50 runs? Or maybe blocks of games that are accepted as the speedrunning standard. It's a weird one to manage for sure.