Summer Games Done Quick, a speedrun marathon for charity, starts in half an hour.
You can view the stream here: http://www.twitch.tv/gamesdonequick
the schedule is here: https://gamesdonequick.com/schedule
There will be a Shenmue II speedrun tomorrow so be sure to check that out.
Also, Super Metroid race at the end of the week (because I'm biased and its the best game ever).