Cookie Monster running costume for the chocolate 10k.
pirate running costume idea #2 for frozen pirate booty 5k
Magic 8 Ball--super easy to do and cute matching running costumes
Bank Robber Runner
Team lowes, running like we stole something in the dirty dog dash - june 2014. Gonna be fun!
This page has lots of running costume ideas and DIY! More
running costume idea
Rey from "The Force Awakens" running costume for the Disneyland Half Marathon / 10K / 5K (runDisney). I bought a Rey costume on Amazon, added shoe covers, sewed some criss-crossing material on the back (it only came with material on the front), and it worked great for the 2016 Star Wars 10K.
The White Rabbit, Alice in Wonderland, runDisney costume, My DisneySide - photo and costume by Lori Soto
DIY Rainbow Brite running costume
RunDisney Costumes by mamaspartydress on Polyvore featuring NIKE, Asics, Disney, New Balance, Saucony, Puma, Vibram FiveFingers, 2XU, Yazbukey and adidas