In this intense leg day routine, Kali Muscle puts his strength and endurance to the test with high-volume squats, lunges, and ...

Kali Muscle drops in on the Strength Cartel crew for a push-up competition that turns into a high-energy display of endurance and grit. What starts as a challenge quickly becomes a show of mutual ...

In the intense wilderness survival competition “Race to Survive: New Zealand,” nine teams of two compete for a $500,000 prize. The grueling 150-mile race tests participants both physically and ...

New Manchester’s JROTC (Junior Reserve Officers’ Training Corps) cadets recently showcased their grit by competing in their ...