Definitions by Dr. Pizzabagel O'blader

Secret Running 

n. one who runs alone in conventional garb because its faster, when they think no one is looking.

1. "I go secret running often, but I don't really tell anyone about it", said Geoff. 2. Becky and Marge saw 14 secret runners in New York City that morning.

Secret Running by Dr. Pizzabagel O'blader March 24, 2009