5min chapter

The Rich Roll Podcast cover image

Gustav Iden & Kristian Blummenfelt: Lessons From The Norwegian Train Reign

The Rich Roll Podcast

CHAPTER

How Do ROCA Prescription Glasses and Sunglasses Work?

Christian and Gustav raced in tandem until the very end. They discuss their unique training protocols, what a day in their lives looks like. The pair also talk about extreme science and data mining that underscores their racing protocols.

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