How long can you last?

Get the latest in fitness, nutrition, and entertainment news from Men's Fitness.     The 4-round CrossFit workout to build powerhouse muscular endurance     Movies and TV   Watch: 'The Rock' puts the 'SNL' cast on his back for his fifth hosting gig       Fashion   Meet the ReeRomp, Reebok's very own version of the 'bro romper'       Fruits and vegetables   9 foods that will beat belly bloat in 2 days       Health   The fittest cities in America: 2017       Health   Working out consistently and intensely can make your cells younger                 Subscribe Today & Save 80%   Subscribe now     Follow us   Copyright © 2016 Weider Publications, LLC. a subsidiary of American Media Inc. All Rights Reserved. Privacy Unsubscribe