You are hereHome / Training / Build Muscle Take the 2013 Rock Hard Challenge Will this be the year that you get the body you've always wanted? Sign up for the Rock Hard Challenge and enter to win a supplement prize pack courtesy of MuscleTech. Think you're up to the Rock Hard Challenge? WE DO! Go to Muscleandfitness.com to Submit Your Progress Photos:Entry is now closed. Complete our training, nutrition and supplement program and upload your "after" photos to show off your hard work! Grand Prize: You could score more than $1,000 in MuscleTech products as well as an opportunity to appear in Muscle & Fitness magazine or on muscleandfitness.com. Voting Starts Soon! Submit Photos Official Rules Want more Men's Fitness? Sign Up for our newsletters now.