Who’s fitter—a pro climber or a U.S. Navy SEAL? Watch as a professional climber takes on the grueling Navy SEALs fitness test, pushing strength, endurance, and mental toughness to the limit.

In the fall of 2020, pro-climber Sasha DiGiulian underwent her second hip reconstruction surgery. As she doubted whether she’d ever climb again, she found herself with a lot of downtime during ...