This past Monday, Danny Vitale donned a 20-pound vest, like he has for the last five Memorial Days and got to work. A one-mile run, 100 pull-ups, 200 pushups, 300 squats and another one-mile run with extra weight strapped to his body.
Vitale wasn't alone in taking on this physical and mental task. In fact, he was one of thousands across the country pushing their limits for the annual Murph Challenge.
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