Hero Wods are the most intense and demanding within the high intensity CrossFit. They are made in honor of Lieutenant Michael Murphy, who lost his life in Afghanistan in 2005.
The time limit for performing Murph is one hour. Mark Zuckerberg has boasted of doing it with his young daughters in a not inconsiderable time: 39 minutes and 58 seconds. "It is a very long wod in which, above all, you have to fight against your mind, which will try to boycott you," says CrossFit coach Francisco Ruiz.