Mr. Zuckerberg wrote in a caption that he had just done the Murph Challenge, a Memorial Day workout and fund-raiser named for the Navy SEAL officer Michael P. Murphy, who died in Afghanistan in 2005.

Meta CEO Mark Zuckerberg marked Memorial Day by doing "the Murph Challenge" -- a workout that included 100 pull ups, 200 push ups, and 300 squats.

Mark Zuckerberg reveals his morning routine—and how he recovers from looking at his phone. advertisement. ... Exercise is a proven way to improve overall health and manage stress.