William Esch
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Forged to Endure
The Ruthless Double Kettlebell Program for Ultimate Strength
This Double Kettlebell Program offers a unique all-inclusive approach, combining kettlebell cardio, strength, stretching, and balance exercises for peak performance. The foolproof workout blueprint eliminates guesswork, ensuring steady progress and continuous gains. Customizable and progressive, it intensifies weekly to challenge you at any fitness level. Train at home with expert video guidance and avoid gym hassles. Double kettlebells cut workout time in half, doubling results.
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Goal:
Strength
Strength
Kettlebell, Functional, Crossfit
6 weeks program
6 days/week
60-90 mins
Level:
All Levels
All Levels
Goal:
Strength
Strength
Kettlebell, Functional, Crossfit
6 weeks program
6 days/week
60-90 mins
Level:
All Levels
All Levels
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About the program
Forged To Endure: Advanced 6 Week Double Kettlebell Program from one of the top kettlebell experts in the world!
This is not your first program. It’s your next proving ground.
Forged to Endure is a six-week advanced strength and conditioning program built around the power of the double kettlebell. Six days a week. Four days of high-intensity lifts. Two days of focused core and mobility. All of it forged with intent—no fluff, no filler.
This is where precision meets pressure.
Each session is designed to push you—hard—and bring your performance to a new level. You’ll train with purpose. Recover with intention. Eat like an athlete. Breathe like one too.
You’ll move heavier bells. Sharpen technique. Expand capacity. Not for a photo. Not for likes. But to outlast.
What You’ll Get:
• Advanced double kettlebell programming—strength, conditioning, and complexity
• A six-day structure: 4 lift days + 2 core & mobility days
• Nutrition guidance for fuel and recovery
• Breath work protocols for stamina and stress regulation
• Program built and led by Master of Sport, Bill Esch
This is for the serious. The disciplined. The ones training for longevity, not applause.
You’re not here to plateau. You’re here to endure.
Train hard
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Love this app!!! Every workout is challenging and I've had amazing results.
Carrie
Beautiful, user friendly app. truly enjoying having quick access to workouts. makes reaching my goal of daily movement much easier.
Laura
Clear, strightforward, focused workouts that are enjoyable and effective.
Jess
App Features
Reminders
Set workout reminders to stay on track!
Tracking
Track your progress and share it to Instagram
Notes & Logging
Track your weights, time, and reps. Take notes to capture your thoughts when working out
Streaks
Make sure you stay on track with your goals
Favorites
Save your favorite workouts with one tap
Lifetime Access
Once you purchase, you own the program forever!
Reminders
Set workout reminders to stay on track!
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About William Esch
Online personal trainer
Bill Esch has earned his title as the Kettlebell Warrior. He has trained with Russian National Team coaches, competed in Kettlebell Sport for more than a decade, and was the first U.S. man to achieve the classification “Master of Sport International Class.” In addition to being a kettlebell champion, he was also a Division I athlete in Football and competed in Collegiate Olympic Weightlifting. Bill has spent decades gathering knowledge about a multitude of fitness disciplines, from Pilates and rehab to elite athletic training.
In his 30 years of owning and working in gyms, Bill has had the privilege of coaching a wide range of people with various abilities. For Bill, fitness is an art, and he uses his creativity to keep workouts fresh and clients inspired. Bill helps people define their health and unlock the power within to change their lives!
Frequently asked questions
What makes Playbook different? How do I know it will work for me?
If you haven’t had success with other workout apps in the past, you may be skeptical about ours. But we’re here to tell you, we guarantee you’ll get the results you want with Playbook. Why? We have hundreds of experts who are ready to train you. We don’t give you one-off programs of PDF documents with no assistance. Our creators add new programs (with interactive, explanatory videos) on a daily basis. Our content is new, fresh, and ever-changing to keep you motivated and ready to work! Plus, if you need help,creators are always here for you. You can message them directly if you have any questions, feedback, or simply want to share your success.
I'm a beginner, is Playbook for me?
No matter where you are in your fitness journey, Playbook can help you succeed. Workouts and programs posted in the app are for any level of fitness. Plus, trainers walk you through all exercises with easy-to-follow videos and simple written instructions. This means you’ll be able to do all the moves easily, accurately, and safely.
Do I need to purchase equipment?
It depends on the workout! Playbook has a lot of workouts that require no equipment. We also have workouts that require minimal equipment (like dumbbells or a yoga mat) and some that require weight-lifting machines. There’s something for everyone — regardless of equipment — to help you get in shape.
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