Bob Ross-Inspired Happy Little Virtual 5K Registration Ends Soon Fans of Bob Ross and those looking for a fun 5K only have one week left to register. First of all, if you are not a fan of Bob Ross, I don't think we can be friends. Second of all, the Happy Little Virtual 5K is open for registration until March 1st, so act now if you want to join. Get our free mobile app The race itself started in 2019 to encourage volunteers to help plant trees at state park locations that have been hit by invasive pests and tree diseases. In that short amount of time, the race has grown to several hundred volunteers and thousands of racers. Registration is open now for the 2021 Happy Little 5K, which is set for the week of April 22nd through the 30th.