TheStack
The #1 speed training system in golf. Raise your speed ceiling and lower your scores with personalized training programs, guided workouts, and effortless data entry powered by TheStack App. Start training smarter to make more birdies, have more fun, and play your best golf.
Features
- Highly engineered training club - Adult (41.5") or Junior (38.5") version (see Fitting Juniors)
- Five CNC-milled Stack weights enable 30 unique combinations from 0g to 300g
- Personalized speed programs built from your baseline session
- Guided workout timer for reps, sets, and rest intervals
- Track Stack Speed, Distance Potential, and Grit Score over time
- Stack training requires a speed device that can measure swings without ball impact. Works with Stack Radar and other compatible launch monitors. See full compatibility list.
What's included
- TheStack speed trainer (Adult or Junior)
- Five milled Stack weights
- 1-year Premium Membership, including Speed Training, Stack Stats, Stack Wedging (iOS), Practice Tracker (iOS), Stack Putting (iOS), and the Learning Library. *Stack Radar is required for Stack Wedging and Practice Tracker.
Platform Availability
iOS: Access TheStack App from the App Store when your order arrives. Requires iOS 15.0 or newer. Access Speed, Stack Stats, Wedging, Putting, Practice Tracker, and the Learning Library.
Android & Web (Beta): Install TheStack App from the Google Play Store or access it on Chrome Web when your order arrives. Access Speed, Stack Stats, and Learning Library today; Wedging, Putting, and Practice Tracker coming in a future update.
See our FAQ pages for questions about membership access.
How this will make you better
TheStack App builds a program around your baseline and keeps you on track session after session:
- Speed Training — personalized programs designed for maximum gains in minimal time
- Stack Stats — record rounds and compare strokes gained across every part of your game
- Stack Putting — structured putting sessions to lower your scores
Train Smarter with TheStack App
Guided programs, effortless data entry, and the metrics that show you're getting faster — built from the same research used on Tour.
Speed Training
TheStack builds a program around your baseline and keeps you on track.
Stack Putting
Structured putting sessions to build confidence on the greens.
Stack Stats
Record rounds and compare strokes gained across every part of your game.
Proven at the Highest Level
Matt Fitzpatrick and dozens of other Tour players trust TheStack to raise their speed ceiling and keep it there.
The speed training programs you'll use in TheStack App are built on the same data-driven approach used by the best players in the world.










