Iron to the Core
Decorated long-distance triathlete Sebastian Kienle gives an inside look at what it takes to be an Ironman athlete. From preparation to race day, it’s a life spent enduring gruelling trials. Streaming on...redbull.tv
Decorated long-distance triathlete Sebastian Kienle gives an inside look at what it takes to be an Ironman athlete. From preparation to race day, it’s a life spent enduring gruelling trials. Streaming on...redbull.tv