If the Color Run hasn't already come to your city, it's probably in the works. This popular 5K is sort of like a crayon box exploding: as participants make their way through the course, volunteers cover them in colored powder. As you can probably already tell, this is a fun run that welcomes all ages and athletic ability, but just because it's fun doesn't mean there shouldn't be some prep involved. After running it for ourselves, here are some insider tips on how to prep and what to expect when doing a Color Run!