MARK REMY is the executive editor of RunnersWorld.com and the author of The Runner's Rule Book. He lives, writes, and runs in eastern Pennsylvania, where he frequently seeks Relief in Porcelain-Free Environments and has extensively researched A Word about Roadkill.

Runner's World is the worldwide authority on running information. With a goal to inform, advise, and motivate runners of all ages and abilities, Runner's World aims to help runners acheive their personal health, fitness, and performance goals, and to inspire them with vivid, memorable storytelling.