80/20 Laufen

Penguin

80/20 Running: Run Stronger and Race Faster by Training Slower

DELIUS KLASING

Effizientes Triathlon-Training: Mit dem 80/20-Konzept zur Bestzeit

Balance

80/20 Triathlon: Discover the Breakthrough Elite-Training Formula for Ultimate Fitness and Performance at All Levels (English Edition)

80/20 Publishing

80/20 Endurance: The Complete System for High-Performance Coaching

Audible

Run Like a Pro (Even If You're Slow): Elite Tools and Tips for Runners at Every Level

I Diari Di Zio Jos

80/20 Running 2022: The Secret to Run Strong and Fast

Pc

80/20 Running, Running Up That Hill, Eat and Run 3 Books Collection Set

Departed: Unter Feinden [dt./OV]                

Become an Elite Hybrid Athlete - The 80X20 Method for Busy Executives (English Edition)

Independently published

The Formula to Peak Health 2: 80/20 Muscle Blueprint: 80% Protein, 20% Fitness for Peak Health and Physique