When Bam Bridges wrecked his bike while racing at Arizona Cycle Park, he thought his career – and life – were over. Now a T5 paraplegic, he's a pioneer in the nascent world of para-motocross.

There’s a timeless pulse that beats in the heart of extreme sports—a pulse that propels athletes to redefine possibility with every run. In my recent sit-down with Scotty James, the snowboarding phenom who’s been carving history on the mountain, I discovered a spirit that is as relentless as it is reflective.

NBA All Star Russell Westbrook is renowned for his aggression on the court; his ruthless dunks extolled by fans in a slate of compilation videos across the internet.