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Try these awesome low-drop running shoes and watch your gains skyrocket.
Don't miss special guests Brooklyn Decker and Tiki Barber for the official launch of the 2013 Spartan Race season.
Throwing in a super intense training block can help you bust through fitness barriers.
See why this ski town is a year-round haven for adrenaline junkies of all kinds.
Junyong Pak, winner of World's Toughest Mudder, shares his secrets
Tackling your first Tough Mudder or a similarly epic event? Here’s how to eat.
Try this routine to overcome the most badass obstacle course.
Presenting, the world's toughest badass.