"The Ride of His Life" interviews Garrett McNamara who is attempting to surf a 100 foot wave. "The Deepest Dive" interviews free diver Herbert Nitsch who attempted to dive deeper on a single breathe than any other human being but blacked out and was ... (more)seriously injured. "Races from Hell" takes a look at obstacle course running. "Boomer" previews a segment on ESPN's Chris Berman.