In my articles and my Ben Greenfield Fitness Podcast, we discuss everything from how to increase endurance, how to train for Ironman, how to train for Spartan, how to increase VO2Max, how to use heart rate zones and heart rate variability, how to build muscle fast, how to increase speed, power, and strength, how to become more flexible, the importance of mobility, the benefits of yoga, and a bunch of fringe fitness hacks including training masks and altitude training, blood flow restriction training, the benefits of sauna and cold thermogenesis for fitness, and much more! Take a deep-dive into the minds of the world’s fittest athletes!

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Articles, Fitness

Inside The Masochistic Mind Of The Top Obstacle Racer On The Face Of The Planet.

Meet my buddy Hunter McIntyre, pro endurance athlete, Broken Skull winner, BoundlessTV co-host, obstacle course racing champion and self-described macho man. Men's Journal describes him as "the man behind the Spartan race empire". Competitor Magazine calls him the "rising...

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Articles, Fitness

How To Turn On Your Butt, Activate Deep Breathing & Decompress Your Spine (And Why I’ve Completely Changed My Morning Routine).

It's no secret that I am a fan of intricate, somewhat OCD morning routines. From waking up to take HRV measurements and gratitude journaling to lovingly filtering my coffee through a stainless steel filter, to performing intranasal,...

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