GET FASTER, WITH SMARTER TRAINING
✔️ CONCEPTS
Understand the underlying biomechanical principles and physical laws that govern speed generation in the golf swing.
✔️ FEELS
Learn about the top tips that can result in quick speed gains.
✔️ DRILLS
Master the key drills Dr. Sasho MacKenzie has taught to PGA tour players and renowned coaches and instructors
INTRO FROM DR. MACKENZIE
Meet Dr. Sasho MacKenzie, golf's leading speed expert and see how his methods, training and tips can increase your clubhead speed and add distance to your drives.
MEET THE EXPERTS BEHIND THE STACK SYSTEM
DR. SASHO MACKENZIE
Golf's foremost biomechanist, Dr. Sasho MacKenzie is the research practitioner behind the world's top golf coaches - his work and theories have driven a scientific, evidence-based revolution in golf instruction and movement training.
MARTY JERTSON
Marty is a golf generalist, a PGA of America member, and in his 20th year as an engineer at PING. Marty was the lead designer of the G30 and G410 drivers, co-inventor of the iPING Putting App, Ballnamic golf ball fitting tool, PING Co-Pilot fitting software, and is a named inventor on over 130 patents.
Stack Radar Bundle
TheStack + Stack Radar
Stack seamlessly. This bundle combines personalized speed training with TheStack, including access to Stack Putting and the Learning Library, with our Bluetooth enabled Stack Radar which sends your speed data directly to TheStack App while training. Stack Radar is small, packs into your golf bag easily, and gives the added benefit of measuring and monitoring your ball speed and club distances.