Add Yahoo as a preferred source to see more of our stories on Google. In a recent video, Alexander takes on one of his toughest ordeals yet: the basic underwater demolition (BUD) obstacle course which ...

Nine-year-old Milla Bizzotto competed in a 24-hour extreme race earlier this month, tackling an obstacle course that would intimidate most adults. And she did it for a cause. "I am doing it for the ...

Navy veteran and YouTuber Austen Alexander has been challenging his strength and endurance in all manner of ways since leaving the military, throwing himself into grueling physical undertakings such ...

The Navy SEAL obstacle course is designed to push elite warriors to their absolute limits - and I decided to take it on. From towering walls and rope climbs to brutal endurance challenges, this course ...