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The Strenuous Life Podcast with Stephan Kesting

This is the Stephan Kesting's Grapplearts Radio Podcast where we discuss BJJ, Grappling, MMA, and all manner of martial arts training.

Stephan runs Grapplearts.com, where he has published many hundreds of martial arts videos, articles and tutorials.

His free guide to learning Brazilian Jiu-Jitsu, A Roadmap for BJJ, has been downloaded more than 10,000 times and has become a foundational text for the art. Click here to download that book for free as well.

Stephan has a lengthy career in martial arts, spanning more than 3 decades.  He has dedicated many years to Brazilian Jiu-Jitsu, and you can find his accessible and practical expertise on all BJJ matters at Grapplearts.com

A black belt in multiple martial art systems, he brings a range of approaches to self defense, and a critical eye for what works in the street.

Stephan has been featured in Black Belt Magazine, Ultimate Grappling, Tapout Magazine and Ultimate Athlete.

He is also a frequent guest on martial arts related podcasts, including The Fightworks Podcast, Atlantic MMA, Combatives Corner, The Warrior’s Den, The Spartan Underground and many more.

  1. All Episodes
  2. 2025
  3. 08

430 - Hybrid Training 2: The Science of Strength, Power and Endurance with Chris Duffin

Aug 18, 2025

Record-setting powerlifter and freak athlete Chris Duffin discusses the intricacies of hybrid training, focusing on the balance between strength and endurance. He shares his unique qualifications, including his experience with elite athletes and his world record feats.

Chris breaks down the relative importance of skill,...

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429 - Hybrid Training 1: Peaking for Power, Endurance, and Mental Strength with Mike McCastle

Aug 4, 2025

Mike McCastle smashed David Goggins' pullup record by doing 5,804 pull-ups in 24 hours while wearing a 30-pound backpack... and pulled an F-150 pickup truck 22 miles through Death Valley... and flipped a 250 lb tire for 13 miles... and climbed a rope for the equivalent distance of Mount Everest... and has trained...

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