From the popular Hyrox to the gruelling Iron Man triathlon, here are the hardest fitness challenges that will test your ...

I'm a fitness instructor and I know how intimidating gym culture can feel, even for me. That's why I created a ...

With your feet hip-width apart, hinge at your hips with your knees slightly bent and your arms just in front of your legs, ...

Kali Muscle and Big Boy take on the brutal challenge of completing 100 straight burpees, with no breaks and no excuses. The ...