
Athletic Development Masterclass Strength, Speed & Power Program for Baseball & Softball Players
A bat speed training program built on the athlete: get stronger, faster and more explosive, turn it into bat speed, and stay available all season.
Arm care, strength, sprint speed and explosive power — 24 lessons for baseball and fastpitch softball, written for bands at home or a full weight room.
- 24 guided lessons
- Recommended 90-day plan
- 5 phases
- Lessons 1–3 free
- $139 one-time
- 1 year of access
- Baseball & softball
Not sure this is the right course? Run SwingChecker™ free — it ranks your hitter’s top priorities in about 3 minutes.
Who it’s for
Aggressive and athletic starts here. For the athlete whose swing is fine but whose body is the limiter — not strong enough, not fast enough, or fighting arm soreness.
What you’ll learn
- Run a daily arm care routine that keeps you available all season
- Train the six strength patterns with technique that holds under load
- Sprint, cut and decelerate faster — and keep that speed in season
- Turn strength into rotational power that shows up in bat speed
What players, parents & coaches say

I like what Coach Kehoe teaches and how he teaches so much, I made him my hitting coach. The online, remote version of his program has helped our hitters so much! Take my word for it, I spent a lot of time in Big Leagues, this program is elite!

Working with hitting coach Billy Kehoe has been a game-changer for my three sons. He is truly one of the most knowledgeable hitting coaches in the United States, with a deep understanding of approach, swing mechanics, and overall athleticism. It is so amazing to see how each hitter progresses and their performance improves so quickly.

I have hit with Coach Kehoe since I was 10. He is the primary reason I am playing college baseball at a high level. Just do what he says and you will hit so much better! The online program allows us to communicate no matter where I am!
BK has developed 100,000+ youth and high school hitters, 2,000+ college hitters and 200+ pro players across 39 states.
The full curriculum
Every lesson, in order. Tap a phase to see its lessons. The first three are free.
PHASE 01Foundation & Arm CareLessons 1–5 · 5 lessons
- Your Athlete ProfileFREE
- Your Daily Arm CareFREE
- Ground Up: Hips, Core, Warm-UpFREE
- Recovery, Fuel and Pain Rules
- Workload and Your Durability Standard
PHASE 02Strength DevelopmentLessons 6–11 · 6 lessons
- Hinge, Squat and Press
- Pull, Single Leg, Hips
- Carries, Grip and Smart Progress
- Rest, Ramp and the Brakes
- Rotational Strength and Upper Back
- Strength Retest and Audit
PHASE 03Speed DevelopmentLessons 12–16 · 5 lessons
- Acceleration and the First Step
- Top Speed and Stopping
- Cut, Cross Over, Run the Bases
- Land, Bounce, Condition
- Speed Retest and Position Footwork
PHASE 04Explosiveness & PowerLessons 17–21 · 5 lessons
- Power From the Ground Up
- Jump, Bound, Extend
- Heavy, Fast and Bat Speed
- Repeat Power and Session Order
- Power Retest and Arm Speed
PHASE 05Building It For LifeLessons 22–24 · 3 lessons
- Plan the Four Seasons
- Stay Fresh Through a Long Season
- Final Profile and Your Next Block
How it works
24 guided lessons • Recommended 90-day training plan: complete two focused lessons each week, then use the remaining training days for deliberate reps, recovery and game transfer.
Every lesson tells you what to do, why it matters, the coaching cue and the work — then you check it off.
Earn AHD EARNED™ points as the work stacks up, then retest with SwingChecker™ to set the next priority.
Online, mobile-first and available anywhere for a full year from the day you enroll.

24 lessonsWant every course? The Whole System includes all 7 AHD masterclasses. Want BK’s eyes on your hitter? See coaching.
Free reading from the Backspin Blog
Questions
What is the best bat speed training for hitters?
Train the athlete behind the swing: lower-body force, rotational power and speed, in the right order, and test it. Weighted-bat tricks and more swings alone rarely add lasting bat speed. This bat speed training program starts with a free test day.
How much does the Athletic Development Masterclass cost?
$139 one-time, with 1 year of access. There is no subscription and no automatic renewal.
Can I try it before I buy?
Yes. Lessons 1–3 are free. Start with Lesson 1 and see exactly how the course works before you enroll.
How long does it take?
You receive 24 guided lessons and a recommended 90-day training plan. Complete two focused lessons each week, with deliberate reps, recovery and game transfer between lessons.
Do I need a weight room?
No. The program is written for bands at home or a full weight room, so an athlete can train either way.
Start free today.
Lessons 1–3 are free. Complete Hitters Are Built… It’s Earned!
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