TRUSTED BY ARCCOS
TheStack has partnered with Arccos to bring you an exclusive discount on the only speed training system that uses data-driven dynamic programming to build personalized speed training programs for every golfer.

Stack Radar Bundle
TheStack + Stack Radar
This bundle combines The Stack System with our Bluetooth enabled Stack Radar which sends your speed data directly to TheStack App for seamless training. Includes bundled access to Stack Wedging, Stack Putting, and the Learning Library.
GET 20% Arccos Discount
WHAT MAKES US UNIQUE
HIGH-END HARDWARE
5 CNC milled Stack weights that enables 30 unique weighted combinations from 0g to 300g.
AWARD-WINNING APP FOR PERSONALIZED TRAINING
- Guided workout timer for reps, sets, and rest intervals
- Custom speed metrics to track your gains
- Hands-free data entry using voice entry technology
EFFICIENCY
Our programs are ultra efficient. We have found the sweet spot of minimal training time for maximum gains. Only 20 minute training sessions, 3x per week.

TheStack | Speed Trainer | Award Winning App
Training made easy with our award winning App. Guided programs, timers, effortless data-entry, and key metrics to track your speed journey. Programs designed in the lab - and proven on Tour - that respond dynamically as you level up your speed.
GET 20% Arccos Discount
Stack Radar | Launch Monitor | Club Speed Training
The Stack Radar is a great multi-purpose radar that Bluetooth connects directly to TheStack App for the most seamless training experience. Our PGA and LPGA Tour players love TheStack radar for it's portability and size.
GET 20% Arccos Discount