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Behind the Scenes with Tim Ferriss

Get full access to Outside Learn, our online education hub featuring in-depth fitness, nutrition, and adventure courses and more than 2,000 instructional videos when you sign up for Outside+.

Photographer Michael Muller shoots the 4-Hour Fitness guru in San Francisco for the July issue of Outside.

Read Tim Ferriss's latest book, filled with expert advice on happiness, meaning, and secrets to success.

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