Ben Greenfield – Extreme Endurance – London Real

Ben Greenfield – Extreme Endurance

Ben Greenfield is an ex-bodybuilder, Ironman triathlete, Spartan racer, coach, speaker and author of the New York Times Bestseller “Beyond Training: Mastering Endurance, Health and Life”
In 2008, Ben was voted as NSCA’s Personal Trainer of the year and in 2013 was named as one of the top 100 Most Influential People In Health And Fitness.

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