If you have a desire to watch your favorite games get absolutely demolished, all in the name of charity, you might want to tune into the Awesome Games Done Quick 2017 Twitch stream. And if you don't have time right now, don't worry as the whole event will last until January 15th, with each and every single run being updated to Youtube after the fact.
For those of you not familiar with the speedrunning scene and in need of a bit of an example to showcase what in the world this is even all about, I would recommend watching this year's Shovel Knight race. The gameplay is simple enough that you can always keep track of what's going on, while the commentary should keep you clued in on the "why" of things. So if you've got a bit of time to spare, give it a look. Here's the video:
As for the charity, this time around its the Prevent Cancer Foundation - a nonprofit organization focused solely on cancer prevention and early detection. If you're willing to help with the cause, and also make ridiculous donation messages on stream along the way, head on over to the official website.
Have fun watching, and if you're looking for the official schedule you'll find it right here.