Ryan Dungey battles Justin Barcia for the championship title as they move into the final rounds of the 2015 Motocross series. Ken Roczen attempts to salvage momentum to carry him into the off-season with a sense of restored confidence.

MX Nation

Troy Adamitis joins Red Bull Media House for "MX Nation," a six-episode Red Bull TV series documenting the inside story of the 2015 AMA Pro Motocross Nationals, from the dominance of Eli Tomac in the early rounds to the battle between Ken Roczen and Ryan Dungey. The series follows the top players of AMA Motocross through their lives on and off the track, and reveals the grit and determination that makes professional motocross one of the most challenging endeavors in sport today.