If doing a fitness obstacle course wasn't challenging enough, this guy's attempting one while carrying two giant weights. At first, he takes a nasty spill, but you know what they say about not succeeding...try, try again! The determined man eventually completes the course without dropping his weights, and it's seriously impressive.
via Jukin Media
Speaking of things that are seriously impressive, check out what this guy can do with his body! Russian contortionist Aleks Batuev practices the unusually fascinating skill every single day, so it's no wonder he's a master of his craft. Aleks is blowing our minds, one move at a time.