John Krasinski and Dwayne Johnson put in some work on Memorial Day. The two actors answered the call and took part in the Murph Challenge. The video was posted to the official Instagram profile of the Murph Challenge.
The CrossFit Murph workout itself consist of a one-mile run, 100 pull-ups, 200 push-ups, 300 squats, and another one-mile run, all done consecutively.
(Photo Credit: Getty Images)