When it comes to racing, most of us are calculated and particular about what we wear. We plan it out, and lay out our clothes the night before. Turns out, so do the costume racers. There's a certain kind of racer that seeks the grander that comes with running a marathon in head to tow cellophane, or a tuxedo, or dressed as a hamburger. What is it about these cosutmed runners? Are they crazy... or are we missing out on something?